Home / 81,706,967.39-112,752,221.53-44,536,429.87

Finding the Fourth Proportional to 81,706,967.39, 112,752,221.53 and 44,536,429.87

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Solution

The fourth proportional to 81,706,967.39, 112,752,221.53 and 44,536,429.87 is: 61,458,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,706,967.39 : 112,752,221.53 = 44,536,429.87 : x
  2. Step 2: Convert to fraction form
    81,706,967.39/112,752,221.53 = 44,536,429.87/x
  3. Step 3: Cross multiply
    81,706,967.39x = 112,752,221.53 × 44,536,429.87
  4. Step 4: Simplify right side
    81,706,967.39x = 5,021,581,406,857,549
  5. Step 5: Solve for x
    x = 5,021,581,406,857,549/81,706,967.39
  6. Step 6: Final answer
    x = 61,458,423.53

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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.