Home / 279,165,875.70-418,554,897.68-123,634,930.98

Finding the Fourth Proportional to 279,165,875.70, 418,554,897.68 and 123,634,930.98

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Solution

The fourth proportional to 279,165,875.70, 418,554,897.68 and 123,634,930.98 is: 185,366,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165,875.70 : 418,554,897.68 = 123,634,930.98 : x
  2. Step 2: Convert to fraction form
    279,165,875.70/418,554,897.68 = 123,634,930.98/x
  3. Step 3: Cross multiply
    279,165,875.70x = 418,554,897.68 × 123,634,930.98
  4. Step 4: Simplify right side
    279,165,875.70x = 51,748,005,886,007,768
  5. Step 5: Solve for x
    x = 51,748,005,886,007,768/279,165,875.70
  6. Step 6: Final answer
    x = 185,366,516.43

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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.