Home / 56,461,421.60-77,916,800.19-31,678,187.24

Finding the Fourth Proportional to 56,461,421.60, 77,916,800.19 and 31,678,187.24

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Solution

The fourth proportional to 56,461,421.60, 77,916,800.19 and 31,678,187.24 is: 43,715,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,461,421.60 : 77,916,800.19 = 31,678,187.24 : x
  2. Step 2: Convert to fraction form
    56,461,421.60/77,916,800.19 = 31,678,187.24/x
  3. Step 3: Cross multiply
    56,461,421.60x = 77,916,800.19 × 31,678,187.24
  4. Step 4: Simplify right side
    56,461,421.60x = 2,468,262,985,755,279.50
  5. Step 5: Solve for x
    x = 2,468,262,985,755,279.50/56,461,421.60
  6. Step 6: Final answer
    x = 43,715,919.93

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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.