Home / 187,272,032.70-280,908,049.05-119,415,546.30

Finding the Fourth Proportional to 187,272,032.70, 280,908,049.05 and 119,415,546.30

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Solution

The fourth proportional to 187,272,032.70, 280,908,049.05 and 119,415,546.30 is: 179,123,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,032.70 : 280,908,049.05 = 119,415,546.30 : x
  2. Step 2: Convert to fraction form
    187,272,032.70/280,908,049.05 = 119,415,546.30/x
  3. Step 3: Cross multiply
    187,272,032.70x = 280,908,049.05 × 119,415,546.30
  4. Step 4: Simplify right side
    187,272,032.70x = 33,544,788,137,372,948
  5. Step 5: Solve for x
    x = 33,544,788,137,372,948/187,272,032.70
  6. Step 6: Final answer
    x = 179,123,319.45

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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.