Home / 66,290,421.20-99,267,670.20-52,853,493.20

Finding the Fourth Proportional to 66,290,421.20, 99,267,670.20 and 52,853,493.20

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Solution

The fourth proportional to 66,290,421.20, 99,267,670.20 and 52,853,493.20 is: 79,146,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,290,421.20 : 99,267,670.20 = 52,853,493.20 : x
  2. Step 2: Convert to fraction form
    66,290,421.20/99,267,670.20 = 52,853,493.20/x
  3. Step 3: Cross multiply
    66,290,421.20x = 99,267,670.20 × 52,853,493.20
  4. Step 4: Simplify right side
    66,290,421.20x = 5,246,643,131,895,543
  5. Step 5: Solve for x
    x = 5,246,643,131,895,543/66,290,421.20
  6. Step 6: Final answer
    x = 79,146,323.66

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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.