Home / 148,478,575.20-222,717,862.80-129,346,699.20

Finding the Fourth Proportional to 148,478,575.20, 222,717,862.80 and 129,346,699.20

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Solution

The fourth proportional to 148,478,575.20, 222,717,862.80 and 129,346,699.20 is: 194,020,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,478,575.20 : 222,717,862.80 = 129,346,699.20 : x
  2. Step 2: Convert to fraction form
    148,478,575.20/222,717,862.80 = 129,346,699.20/x
  3. Step 3: Cross multiply
    148,478,575.20x = 222,717,862.80 × 129,346,699.20
  4. Step 4: Simplify right side
    148,478,575.20x = 28,807,820,406,058,472
  5. Step 5: Solve for x
    x = 28,807,820,406,058,472/148,478,575.20
  6. Step 6: Final answer
    x = 194,020,048.80

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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.