Home / 52,431,703.13-78,670,234.34-28,142,254.50

Finding the Fourth Proportional to 52,431,703.13, 78,670,234.34 and 28,142,254.50

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Solution

The fourth proportional to 52,431,703.13, 78,670,234.34 and 28,142,254.50 is: 42,225,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431,703.13 : 78,670,234.34 = 28,142,254.50 : x
  2. Step 2: Convert to fraction form
    52,431,703.13/78,670,234.34 = 28,142,254.50/x
  3. Step 3: Cross multiply
    52,431,703.13x = 78,670,234.34 × 28,142,254.50
  4. Step 4: Simplify right side
    52,431,703.13x = 2,213,957,756,370,919.75
  5. Step 5: Solve for x
    x = 2,213,957,756,370,919.75/52,431,703.13
  6. Step 6: Final answer
    x = 42,225,554.85

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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.