Home / 86,435,617.59-129,653,647.92-35,317,636.47

Finding the Fourth Proportional to 86,435,617.59, 129,653,647.92 and 35,317,636.47

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Solution

The fourth proportional to 86,435,617.59, 129,653,647.92 and 35,317,636.47 is: 52,976,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,435,617.59 : 129,653,647.92 = 35,317,636.47 : x
  2. Step 2: Convert to fraction form
    86,435,617.59/129,653,647.92 = 35,317,636.47/x
  3. Step 3: Cross multiply
    86,435,617.59x = 129,653,647.92 × 35,317,636.47
  4. Step 4: Simplify right side
    86,435,617.59x = 4,579,060,404,247,932
  5. Step 5: Solve for x
    x = 4,579,060,404,247,932/86,435,617.59
  6. Step 6: Final answer
    x = 52,976,545.22

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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.