Home / 123,676,239.80-185,514,359.70-42,897,207.80

Finding the Fourth Proportional to 123,676,239.80, 185,514,359.70 and 42,897,207.80

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Solution

The fourth proportional to 123,676,239.80, 185,514,359.70 and 42,897,207.80 is: 64,345,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,676,239.80 : 185,514,359.70 = 42,897,207.80 : x
  2. Step 2: Convert to fraction form
    123,676,239.80/185,514,359.70 = 42,897,207.80/x
  3. Step 3: Cross multiply
    123,676,239.80x = 185,514,359.70 × 42,897,207.80
  4. Step 4: Simplify right side
    123,676,239.80x = 7,958,048,037,934,845
  5. Step 5: Solve for x
    x = 7,958,048,037,934,845/123,676,239.80
  6. Step 6: Final answer
    x = 64,345,811.70

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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.