Home / 368,856,509.05-553,287,141.79-147,546,337.61

Finding the Fourth Proportional to 368,856,509.05, 553,287,141.79 and 147,546,337.61

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Solution

The fourth proportional to 368,856,509.05, 553,287,141.79 and 147,546,337.61 is: 221,320,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,856,509.05 : 553,287,141.79 = 147,546,337.61 : x
  2. Step 2: Convert to fraction form
    368,856,509.05/553,287,141.79 = 147,546,337.61/x
  3. Step 3: Cross multiply
    368,856,509.05x = 553,287,141.79 × 147,546,337.61
  4. Step 4: Simplify right side
    368,856,509.05x = 81,635,491,417,819,280
  5. Step 5: Solve for x
    x = 81,635,491,417,819,280/368,856,509.05
  6. Step 6: Final answer
    x = 221,320,457.73

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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.