Home / 89,912,086.70-124,078,678.13-48,658,979.07

Finding the Fourth Proportional to 89,912,086.70, 124,078,678.13 and 48,658,979.07

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Solution

The fourth proportional to 89,912,086.70, 124,078,678.13 and 48,658,979.07 is: 67,149,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,086.70 : 124,078,678.13 = 48,658,979.07 : x
  2. Step 2: Convert to fraction form
    89,912,086.70/124,078,678.13 = 48,658,979.07/x
  3. Step 3: Cross multiply
    89,912,086.70x = 124,078,678.13 × 48,658,979.07
  4. Step 4: Simplify right side
    89,912,086.70x = 6,037,541,802,282,584
  5. Step 5: Solve for x
    x = 6,037,541,802,282,584/89,912,086.70
  6. Step 6: Final answer
    x = 67,149,390.30

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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.