Home / 453,953,872.92-681,026,453.22-147,222,068.76

Finding the Fourth Proportional to 453,953,872.92, 681,026,453.22 and 147,222,068.76

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Solution

The fourth proportional to 453,953,872.92, 681,026,453.22 and 147,222,068.76 is: 220,864,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,953,872.92 : 681,026,453.22 = 147,222,068.76 : x
  2. Step 2: Convert to fraction form
    453,953,872.92/681,026,453.22 = 147,222,068.76/x
  3. Step 3: Cross multiply
    453,953,872.92x = 681,026,453.22 × 147,222,068.76
  4. Step 4: Simplify right side
    453,953,872.92x = 100,262,123,323,333,760
  5. Step 5: Solve for x
    x = 100,262,123,323,333,760/453,953,872.92
  6. Step 6: Final answer
    x = 220,864,121.45

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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.