Home / 144,878,614.60-217,569,864.30-76,854,166.60

Finding the Fourth Proportional to 144,878,614.60, 217,569,864.30 and 76,854,166.60

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Solution

The fourth proportional to 144,878,614.60, 217,569,864.30 and 76,854,166.60 is: 115,414,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,878,614.60 : 217,569,864.30 = 76,854,166.60 : x
  2. Step 2: Convert to fraction form
    144,878,614.60/217,569,864.30 = 76,854,166.60/x
  3. Step 3: Cross multiply
    144,878,614.60x = 217,569,864.30 × 76,854,166.60
  4. Step 4: Simplify right side
    144,878,614.60x = 16,721,150,598,051,592
  5. Step 5: Solve for x
    x = 16,721,150,598,051,592/144,878,614.60
  6. Step 6: Final answer
    x = 115,414,898.49

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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.