Home / 147,930,780.47-204,226,576.02-89,208,321.44

Finding the Fourth Proportional to 147,930,780.47, 204,226,576.02 and 89,208,321.44

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Solution

The fourth proportional to 147,930,780.47, 204,226,576.02 and 89,208,321.44 is: 123,156,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930,780.47 : 204,226,576.02 = 89,208,321.44 : x
  2. Step 2: Convert to fraction form
    147,930,780.47/204,226,576.02 = 89,208,321.44/x
  3. Step 3: Cross multiply
    147,930,780.47x = 204,226,576.02 × 89,208,321.44
  4. Step 4: Simplify right side
    147,930,780.47x = 18,218,710,039,161,624
  5. Step 5: Solve for x
    x = 18,218,710,039,161,624/147,930,780.47
  6. Step 6: Final answer
    x = 123,156,992.63

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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.