Home / 238,238,420.47-357,048,673.08-106,983,778.39

Finding the Fourth Proportional to 238,238,420.47, 357,048,673.08 and 106,983,778.39

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Solution

The fourth proportional to 238,238,420.47, 357,048,673.08 and 106,983,778.39 is: 160,336,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,238,420.47 : 357,048,673.08 = 106,983,778.39 : x
  2. Step 2: Convert to fraction form
    238,238,420.47/357,048,673.08 = 106,983,778.39/x
  3. Step 3: Cross multiply
    238,238,420.47x = 357,048,673.08 × 106,983,778.39
  4. Step 4: Simplify right side
    238,238,420.47x = 38,198,416,115,234,280
  5. Step 5: Solve for x
    x = 38,198,416,115,234,280/238,238,420.47
  6. Step 6: Final answer
    x = 160,336,926.51

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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.