Home / 86,353,326.91-129,482,555.82-42,537,677.23

Finding the Fourth Proportional to 86,353,326.91, 129,482,555.82 and 42,537,677.23

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Solution

The fourth proportional to 86,353,326.91, 129,482,555.82 and 42,537,677.23 is: 63,783,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,353,326.91 : 129,482,555.82 = 42,537,677.23 : x
  2. Step 2: Convert to fraction form
    86,353,326.91/129,482,555.82 = 42,537,677.23/x
  3. Step 3: Cross multiply
    86,353,326.91x = 129,482,555.82 × 42,537,677.23
  4. Step 4: Simplify right side
    86,353,326.91x = 5,507,887,166,386,617
  5. Step 5: Solve for x
    x = 5,507,887,166,386,617/86,353,326.91
  6. Step 6: Final answer
    x = 63,783,149.57

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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.