Home / 87,406,422.96-120,620,887.80-48,248,225.16

Finding the Fourth Proportional to 87,406,422.96, 120,620,887.80 and 48,248,225.16

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Solution

The fourth proportional to 87,406,422.96, 120,620,887.80 and 48,248,225.16 is: 66,582,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406,422.96 : 120,620,887.80 = 48,248,225.16 : x
  2. Step 2: Convert to fraction form
    87,406,422.96/120,620,887.80 = 48,248,225.16/x
  3. Step 3: Cross multiply
    87,406,422.96x = 120,620,887.80 × 48,248,225.16
  4. Step 4: Simplify right side
    87,406,422.96x = 5,819,743,753,573,496
  5. Step 5: Solve for x
    x = 5,819,743,753,573,496/87,406,422.96
  6. Step 6: Final answer
    x = 66,582,564.03

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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.