Home / 139,462,633.30-209,129,306.02-52,000,666.68

Finding the Fourth Proportional to 139,462,633.30, 209,129,306.02 and 52,000,666.68

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Solution

The fourth proportional to 139,462,633.30, 209,129,306.02 and 52,000,666.68 is: 77,976,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462,633.30 : 209,129,306.02 = 52,000,666.68 : x
  2. Step 2: Convert to fraction form
    139,462,633.30/209,129,306.02 = 52,000,666.68/x
  3. Step 3: Cross multiply
    139,462,633.30x = 209,129,306.02 × 52,000,666.68
  4. Step 4: Simplify right side
    139,462,633.30x = 10,874,863,334,060,086
  5. Step 5: Solve for x
    x = 10,874,863,334,060,086/139,462,633.30
  6. Step 6: Final answer
    x = 77,976,896.59

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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.