Home / 73,298,837.20-109,780,294.20-71,619,221.20

Finding the Fourth Proportional to 73,298,837.20, 109,780,294.20 and 71,619,221.20

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Solution

The fourth proportional to 73,298,837.20, 109,780,294.20 and 71,619,221.20 is: 107,264,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,298,837.20 : 109,780,294.20 = 71,619,221.20 : x
  2. Step 2: Convert to fraction form
    73,298,837.20/109,780,294.20 = 71,619,221.20/x
  3. Step 3: Cross multiply
    73,298,837.20x = 109,780,294.20 × 71,619,221.20
  4. Step 4: Simplify right side
    73,298,837.20x = 7,862,379,173,710,878
  5. Step 5: Solve for x
    x = 7,862,379,173,710,878/73,298,837.20
  6. Step 6: Final answer
    x = 107,264,718.98

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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.