Home / 77,338,701.16-115,998,597.42-31,894,590.76

Finding the Fourth Proportional to 77,338,701.16, 115,998,597.42 and 31,894,590.76

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Solution

The fourth proportional to 77,338,701.16, 115,998,597.42 and 31,894,590.76 is: 47,837,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338,701.16 : 115,998,597.42 = 31,894,590.76 : x
  2. Step 2: Convert to fraction form
    77,338,701.16/115,998,597.42 = 31,894,590.76/x
  3. Step 3: Cross multiply
    77,338,701.16x = 115,998,597.42 × 31,894,590.76
  4. Step 4: Simplify right side
    77,338,701.16x = 3,699,727,793,444,892
  5. Step 5: Solve for x
    x = 3,699,727,793,444,892/77,338,701.16
  6. Step 6: Final answer
    x = 47,837,987.16

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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.