Home / 161,838,312.30-242,757,468.45-148,445,999.10

Finding the Fourth Proportional to 161,838,312.30, 242,757,468.45 and 148,445,999.10

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Solution

The fourth proportional to 161,838,312.30, 242,757,468.45 and 148,445,999.10 is: 222,668,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,312.30 : 242,757,468.45 = 148,445,999.10 : x
  2. Step 2: Convert to fraction form
    161,838,312.30/242,757,468.45 = 148,445,999.10/x
  3. Step 3: Cross multiply
    161,838,312.30x = 242,757,468.45 × 148,445,999.10
  4. Step 4: Simplify right side
    161,838,312.30x = 36,036,374,943,046,976
  5. Step 5: Solve for x
    x = 36,036,374,943,046,976/161,838,312.30
  6. Step 6: Final answer
    x = 222,668,998.65

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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.