Home / 142,164,006.40-213,246,009.60-65,636,502.40

Finding the Fourth Proportional to 142,164,006.40, 213,246,009.60 and 65,636,502.40

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Solution

The fourth proportional to 142,164,006.40, 213,246,009.60 and 65,636,502.40 is: 98,454,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,006.40 : 213,246,009.60 = 65,636,502.40 : x
  2. Step 2: Convert to fraction form
    142,164,006.40/213,246,009.60 = 65,636,502.40/x
  3. Step 3: Cross multiply
    142,164,006.40x = 213,246,009.60 × 65,636,502.40
  4. Step 4: Simplify right side
    142,164,006.40x = 13,996,722,220,900,822
  5. Step 5: Solve for x
    x = 13,996,722,220,900,822/142,164,006.40
  6. Step 6: Final answer
    x = 98,454,753.60

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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.