Home / 87,227,319.40-130,589,036.70-53,215,095.40

Finding the Fourth Proportional to 87,227,319.40, 130,589,036.70 and 53,215,095.40

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Solution

The fourth proportional to 87,227,319.40, 130,589,036.70 and 53,215,095.40 is: 79,668,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,227,319.40 : 130,589,036.70 = 53,215,095.40 : x
  2. Step 2: Convert to fraction form
    87,227,319.40/130,589,036.70 = 53,215,095.40/x
  3. Step 3: Cross multiply
    87,227,319.40x = 130,589,036.70 × 53,215,095.40
  4. Step 4: Simplify right side
    87,227,319.40x = 6,949,308,046,184,601
  5. Step 5: Solve for x
    x = 6,949,308,046,184,601/87,227,319.40
  6. Step 6: Final answer
    x = 79,668,939.66

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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.