Home / 157,470,916.30-236,206,374.45-147,904,978.30

Finding the Fourth Proportional to 157,470,916.30, 236,206,374.45 and 147,904,978.30

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Solution

The fourth proportional to 157,470,916.30, 236,206,374.45 and 147,904,978.30 is: 221,857,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470,916.30 : 236,206,374.45 = 147,904,978.30 : x
  2. Step 2: Convert to fraction form
    157,470,916.30/236,206,374.45 = 147,904,978.30/x
  3. Step 3: Cross multiply
    157,470,916.30x = 236,206,374.45 × 147,904,978.30
  4. Step 4: Simplify right side
    157,470,916.30x = 34,936,098,687,348,924
  5. Step 5: Solve for x
    x = 34,936,098,687,348,924/157,470,916.30
  6. Step 6: Final answer
    x = 221,857,467.45

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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.