Home / 81,688,517.22-112,730,171.50-44,518,806.30

Finding the Fourth Proportional to 81,688,517.22, 112,730,171.50 and 44,518,806.30

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Solution

The fourth proportional to 81,688,517.22, 112,730,171.50 and 44,518,806.30 is: 61,435,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,688,517.22 : 112,730,171.50 = 44,518,806.30 : x
  2. Step 2: Convert to fraction form
    81,688,517.22/112,730,171.50 = 44,518,806.30/x
  3. Step 3: Cross multiply
    81,688,517.22x = 112,730,171.50 × 44,518,806.30
  4. Step 4: Simplify right side
    81,688,517.22x = 5,018,612,669,174,280
  5. Step 5: Solve for x
    x = 5,018,612,669,174,280/81,688,517.22
  6. Step 6: Final answer
    x = 61,435,962.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.