Home / 152,425,339.32-210,342,873.18-89,705,127.48

Finding the Fourth Proportional to 152,425,339.32, 210,342,873.18 and 89,705,127.48

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Solution

The fourth proportional to 152,425,339.32, 210,342,873.18 and 89,705,127.48 is: 123,790,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,425,339.32 : 210,342,873.18 = 89,705,127.48 : x
  2. Step 2: Convert to fraction form
    152,425,339.32/210,342,873.18 = 89,705,127.48/x
  3. Step 3: Cross multiply
    152,425,339.32x = 210,342,873.18 × 89,705,127.48
  4. Step 4: Simplify right side
    152,425,339.32x = 18,868,834,253,121,376
  5. Step 5: Solve for x
    x = 18,868,834,253,121,376/152,425,339.32
  6. Step 6: Final answer
    x = 123,790,665.89

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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.