Home / 87,754,106.34-131,681,562.03-68,530,901.22

Finding the Fourth Proportional to 87,754,106.34, 131,681,562.03 and 68,530,901.22

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Solution

The fourth proportional to 87,754,106.34, 131,681,562.03 and 68,530,901.22 is: 102,835,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754,106.34 : 131,681,562.03 = 68,530,901.22 : x
  2. Step 2: Convert to fraction form
    87,754,106.34/131,681,562.03 = 68,530,901.22/x
  3. Step 3: Cross multiply
    87,754,106.34x = 131,681,562.03 × 68,530,901.22
  4. Step 4: Simplify right side
    87,754,106.34x = 9,024,256,119,973,232
  5. Step 5: Solve for x
    x = 9,024,256,119,973,232/87,754,106.34
  6. Step 6: Final answer
    x = 102,835,713.29

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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.