Home / 86,435,648.10-129,653,693.58-35,317,666.91

Finding the Fourth Proportional to 86,435,648.10, 129,653,693.58 and 35,317,666.91

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Solution

The fourth proportional to 86,435,648.10, 129,653,693.58 and 35,317,666.91 is: 52,976,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,435,648.10 : 129,653,693.58 = 35,317,666.91 : x
  2. Step 2: Convert to fraction form
    86,435,648.10/129,653,693.58 = 35,317,666.91/x
  3. Step 3: Cross multiply
    86,435,648.10x = 129,653,693.58 × 35,317,666.91
  4. Step 4: Simplify right side
    86,435,648.10x = 4,579,065,962,861,377
  5. Step 5: Solve for x
    x = 4,579,065,962,861,377/86,435,648.10
  6. Step 6: Final answer
    x = 52,976,590.83

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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.