Home / 77,676,665.40-116,514,998.10-39,456,070.20

Finding the Fourth Proportional to 77,676,665.40, 116,514,998.10 and 39,456,070.20

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Solution

The fourth proportional to 77,676,665.40, 116,514,998.10 and 39,456,070.20 is: 59,184,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,676,665.40 : 116,514,998.10 = 39,456,070.20 : x
  2. Step 2: Convert to fraction form
    77,676,665.40/116,514,998.10 = 39,456,070.20/x
  3. Step 3: Cross multiply
    77,676,665.40x = 116,514,998.10 × 39,456,070.20
  4. Step 4: Simplify right side
    77,676,665.40x = 4,597,223,944,386,467
  5. Step 5: Solve for x
    x = 4,597,223,944,386,467/77,676,665.40
  6. Step 6: Final answer
    x = 59,184,105.30

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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.