Home / 71,219,052.80-98,281,115.52-40,278,060.80

Finding the Fourth Proportional to 71,219,052.80, 98,281,115.52 and 40,278,060.80

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Solution

The fourth proportional to 71,219,052.80, 98,281,115.52 and 40,278,060.80 is: 55,583,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,219,052.80 : 98,281,115.52 = 40,278,060.80 : x
  2. Step 2: Convert to fraction form
    71,219,052.80/98,281,115.52 = 40,278,060.80/x
  3. Step 3: Cross multiply
    71,219,052.80x = 98,281,115.52 × 40,278,060.80
  4. Step 4: Simplify right side
    71,219,052.80x = 3,958,572,746,406,383
  5. Step 5: Solve for x
    x = 3,958,572,746,406,383/71,219,052.80
  6. Step 6: Final answer
    x = 55,583,058.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.