Home / 89,916,459.62-134,928,497.12-38,798,478.50

Finding the Fourth Proportional to 89,916,459.62, 134,928,497.12 and 38,798,478.50

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Solution

The fourth proportional to 89,916,459.62, 134,928,497.12 and 38,798,478.50 is: 58,220,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,916,459.62 : 134,928,497.12 = 38,798,478.50 : x
  2. Step 2: Convert to fraction form
    89,916,459.62/134,928,497.12 = 38,798,478.50/x
  3. Step 3: Cross multiply
    89,916,459.62x = 134,928,497.12 × 38,798,478.50
  4. Step 4: Simplify right side
    89,916,459.62x = 5,235,020,393,678,997
  5. Step 5: Solve for x
    x = 5,235,020,393,678,997/89,916,459.62
  6. Step 6: Final answer
    x = 58,220,935.48

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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.