Home / 87,717,499.17-121,012,150.74-52,890,841.83

Finding the Fourth Proportional to 87,717,499.17, 121,012,150.74 and 52,890,841.83

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Solution

The fourth proportional to 87,717,499.17, 121,012,150.74 and 52,890,841.83 is: 72,966,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,717,499.17 : 121,012,150.74 = 52,890,841.83 : x
  2. Step 2: Convert to fraction form
    87,717,499.17/121,012,150.74 = 52,890,841.83/x
  3. Step 3: Cross multiply
    87,717,499.17x = 121,012,150.74 × 52,890,841.83
  4. Step 4: Simplify right side
    87,717,499.17x = 6,400,434,524,297,457
  5. Step 5: Solve for x
    x = 6,400,434,524,297,457/87,717,499.17
  6. Step 6: Final answer
    x = 72,966,450.08

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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.