Home / 61,234,801.20-91,852,201.80-56,558,120.40

Finding the Fourth Proportional to 61,234,801.20, 91,852,201.80 and 56,558,120.40

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Solution

The fourth proportional to 61,234,801.20, 91,852,201.80 and 56,558,120.40 is: 84,837,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234,801.20 : 91,852,201.80 = 56,558,120.40 : x
  2. Step 2: Convert to fraction form
    61,234,801.20/91,852,201.80 = 56,558,120.40/x
  3. Step 3: Cross multiply
    61,234,801.20x = 91,852,201.80 × 56,558,120.40
  4. Step 4: Simplify right side
    61,234,801.20x = 5,194,987,888,409,496
  5. Step 5: Solve for x
    x = 5,194,987,888,409,496/61,234,801.20
  6. Step 6: Final answer
    x = 84,837,180.60

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1.5x scale

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.