Home / 85,177,490,678.80-116,929,410,116.58-73,113,557,462.48

Finding the Fourth Proportional to 85,177,490,678.80, 116,929,410,116.58 and 73,113,557,462.48

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Solution

The fourth proportional to 85,177,490,678.80, 116,929,410,116.58 and 73,113,557,462.48 is: 100,368,361,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,490,678.80 : 116,929,410,116.58 = 73,113,557,462.48 : x
  2. Step 2: Convert to fraction form
    85,177,490,678.80/116,929,410,116.58 = 73,113,557,462.48/x
  3. Step 3: Cross multiply
    85,177,490,678.80x = 116,929,410,116.58 × 73,113,557,462.48
  4. Step 4: Simplify right side
    85,177,490,678.80x = 8,549,125,145,612,461,801,472
  5. Step 5: Solve for x
    x = 8,549,125,145,612,461,801,472/85,177,490,678.80
  6. Step 6: Final answer
    x = 100,368,361,141.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.