Home / 87,473,934.55-120,714,025.07-47,239,926.56

Finding the Fourth Proportional to 87,473,934.55, 120,714,025.07 and 47,239,926.56

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Solution

The fourth proportional to 87,473,934.55, 120,714,025.07 and 47,239,926.56 is: 65,191,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,473,934.55 : 120,714,025.07 = 47,239,926.56 : x
  2. Step 2: Convert to fraction form
    87,473,934.55/120,714,025.07 = 47,239,926.56/x
  3. Step 3: Cross multiply
    87,473,934.55x = 120,714,025.07 × 47,239,926.56
  4. Step 4: Simplify right side
    87,473,934.55x = 5,702,521,679,036,007
  5. Step 5: Solve for x
    x = 5,702,521,679,036,007/87,473,934.55
  6. Step 6: Final answer
    x = 65,191,096.16

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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.