Home / 81,688,513.96-112,730,167.02-44,518,803.04

Finding the Fourth Proportional to 81,688,513.96, 112,730,167.02 and 44,518,803.04

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Solution

The fourth proportional to 81,688,513.96, 112,730,167.02 and 44,518,803.04 is: 61,435,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,688,513.96 : 112,730,167.02 = 44,518,803.04 : x
  2. Step 2: Convert to fraction form
    81,688,513.96/112,730,167.02 = 44,518,803.04/x
  3. Step 3: Cross multiply
    81,688,513.96x = 112,730,167.02 × 44,518,803.04
  4. Step 4: Simplify right side
    81,688,513.96x = 5,018,612,102,229,683
  5. Step 5: Solve for x
    x = 5,018,612,102,229,683/81,688,513.96
  6. Step 6: Final answer
    x = 61,435,957.87

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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.