Home / 144,010,625.08-198,734,662.86-77,931,123.30

Finding the Fourth Proportional to 144,010,625.08, 198,734,662.86 and 77,931,123.30

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Solution

The fourth proportional to 144,010,625.08, 198,734,662.86 and 77,931,123.30 is: 107,544,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,625.08 : 198,734,662.86 = 77,931,123.30 : x
  2. Step 2: Convert to fraction form
    144,010,625.08/198,734,662.86 = 77,931,123.30/x
  3. Step 3: Cross multiply
    144,010,625.08x = 198,734,662.86 × 77,931,123.30
  4. Step 4: Simplify right side
    144,010,625.08x = 15,487,615,514,194,694
  5. Step 5: Solve for x
    x = 15,487,615,514,194,694/144,010,625.08
  6. Step 6: Final answer
    x = 107,544,950.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.