Home / 85,193,954.15-127,528,830.80-55,586,392.12

Finding the Fourth Proportional to 85,193,954.15, 127,528,830.80 and 55,586,392.12

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Solution

The fourth proportional to 85,193,954.15, 127,528,830.80 and 55,586,392.12 is: 83,208,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193,954.15 : 127,528,830.80 = 55,586,392.12 : x
  2. Step 2: Convert to fraction form
    85,193,954.15/127,528,830.80 = 55,586,392.12/x
  3. Step 3: Cross multiply
    85,193,954.15x = 127,528,830.80 × 55,586,392.12
  4. Step 4: Simplify right side
    85,193,954.15x = 7,088,867,595,453,933
  5. Step 5: Solve for x
    x = 7,088,867,595,453,933/85,193,954.15
  6. Step 6: Final answer
    x = 83,208,575.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.