Home / 142,046,411.50-212,454,096.90-83,614,834.54

Finding the Fourth Proportional to 142,046,411.50, 212,454,096.90 and 83,614,834.54

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Solution

The fourth proportional to 142,046,411.50, 212,454,096.90 and 83,614,834.54 is: 125,059,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,046,411.50 : 212,454,096.90 = 83,614,834.54 : x
  2. Step 2: Convert to fraction form
    142,046,411.50/212,454,096.90 = 83,614,834.54/x
  3. Step 3: Cross multiply
    142,046,411.50x = 212,454,096.90 × 83,614,834.54
  4. Step 4: Simplify right side
    142,046,411.50x = 17,764,314,159,638,628
  5. Step 5: Solve for x
    x = 17,764,314,159,638,628/142,046,411.50
  6. Step 6: Final answer
    x = 125,059,929.16

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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.