Home / 87,111,081.44-130,686,307.62-28,818,622.70

Finding the Fourth Proportional to 87,111,081.44, 130,686,307.62 and 28,818,622.70

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Solution

The fourth proportional to 87,111,081.44, 130,686,307.62 and 28,818,622.70 is: 43,234,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,111,081.44 : 130,686,307.62 = 28,818,622.70 : x
  2. Step 2: Convert to fraction form
    87,111,081.44/130,686,307.62 = 28,818,622.70/x
  3. Step 3: Cross multiply
    87,111,081.44x = 130,686,307.62 × 28,818,622.70
  4. Step 4: Simplify right side
    87,111,081.44x = 3,766,199,391,356,915
  5. Step 5: Solve for x
    x = 3,766,199,391,356,915/87,111,081.44
  6. Step 6: Final answer
    x = 43,234,446.51

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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.