Home / 87,008,279.92-120,037,444.44-49,818,686.32

Finding the Fourth Proportional to 87,008,279.92, 120,037,444.44 and 49,818,686.32

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Solution

The fourth proportional to 87,008,279.92, 120,037,444.44 and 49,818,686.32 is: 68,730,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008,279.92 : 120,037,444.44 = 49,818,686.32 : x
  2. Step 2: Convert to fraction form
    87,008,279.92/120,037,444.44 = 49,818,686.32/x
  3. Step 3: Cross multiply
    87,008,279.92x = 120,037,444.44 × 49,818,686.32
  4. Step 4: Simplify right side
    87,008,279.92x = 5,980,107,791,210,788
  5. Step 5: Solve for x
    x = 5,980,107,791,210,788/87,008,279.92
  6. Step 6: Final answer
    x = 68,730,330.00

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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.