Home / 117,753,962.45-162,500,475.99-65,541,877.61

Finding the Fourth Proportional to 117,753,962.45, 162,500,475.99 and 65,541,877.61

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Solution

The fourth proportional to 117,753,962.45, 162,500,475.99 and 65,541,877.61 is: 90,447,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,962.45 : 162,500,475.99 = 65,541,877.61 : x
  2. Step 2: Convert to fraction form
    117,753,962.45/162,500,475.99 = 65,541,877.61/x
  3. Step 3: Cross multiply
    117,753,962.45x = 162,500,475.99 × 65,541,877.61
  4. Step 4: Simplify right side
    117,753,962.45x = 10,650,586,308,090,822
  5. Step 5: Solve for x
    x = 10,650,586,308,090,822/117,753,962.45
  6. Step 6: Final answer
    x = 90,447,795.45

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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.