Home / 52,156,950.30-78,235,425.45-15,790,885.55

Finding the Fourth Proportional to 52,156,950.30, 78,235,425.45 and 15,790,885.55

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Solution

The fourth proportional to 52,156,950.30, 78,235,425.45 and 15,790,885.55 is: 23,686,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,950.30 : 78,235,425.45 = 15,790,885.55 : x
  2. Step 2: Convert to fraction form
    52,156,950.30/78,235,425.45 = 15,790,885.55/x
  3. Step 3: Cross multiply
    52,156,950.30x = 78,235,425.45 × 15,790,885.55
  4. Step 4: Simplify right side
    52,156,950.30x = 1,235,406,648,845,330.25
  5. Step 5: Solve for x
    x = 1,235,406,648,845,330.25/52,156,950.30
  6. Step 6: Final answer
    x = 23,686,328.32

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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.