Home / 56,451,930.12-77,908,359-31,336,403.28

Finding the Fourth Proportional to 56,451,930.12, 77,908,359 and 31,336,403.28

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Solution

The fourth proportional to 56,451,930.12, 77,908,359 and 31,336,403.28 is: 43,246,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451,930.12 : 77,908,359 = 31,336,403.28 : x
  2. Step 2: Convert to fraction form
    56,451,930.12/77,908,359 = 31,336,403.28/x
  3. Step 3: Cross multiply
    56,451,930.12x = 77,908,359 × 31,336,403.28
  4. Step 4: Simplify right side
    56,451,930.12x = 2,441,367,756,507,017.50
  5. Step 5: Solve for x
    x = 2,441,367,756,507,017.50/56,451,930.12
  6. Step 6: Final answer
    x = 43,246,842.96

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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.