Home / 86,435,646.60-129,653,691.33-35,317,665.41

Finding the Fourth Proportional to 86,435,646.60, 129,653,691.33 and 35,317,665.41

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Solution

The fourth proportional to 86,435,646.60, 129,653,691.33 and 35,317,665.41 is: 52,976,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,435,646.60 : 129,653,691.33 = 35,317,665.41 : x
  2. Step 2: Convert to fraction form
    86,435,646.60/129,653,691.33 = 35,317,665.41/x
  3. Step 3: Cross multiply
    86,435,646.60x = 129,653,691.33 × 35,317,665.41
  4. Step 4: Simplify right side
    86,435,646.60x = 4,579,065,689,678,460
  5. Step 5: Solve for x
    x = 4,579,065,689,678,460/86,435,646.60
  6. Step 6: Final answer
    x = 52,976,588.59

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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.