Home / 432,072,617.60-648,054,258.41-136,970,581.93

Finding the Fourth Proportional to 432,072,617.60, 648,054,258.41 and 136,970,581.93

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Solution

The fourth proportional to 432,072,617.60, 648,054,258.41 and 136,970,581.93 is: 205,438,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,072,617.60 : 648,054,258.41 = 136,970,581.93 : x
  2. Step 2: Convert to fraction form
    432,072,617.60/648,054,258.41 = 136,970,581.93/x
  3. Step 3: Cross multiply
    432,072,617.60x = 648,054,258.41 × 136,970,581.93
  4. Step 4: Simplify right side
    432,072,617.60x = 88,764,368,895,354,592
  5. Step 5: Solve for x
    x = 88,764,368,895,354,592/432,072,617.60
  6. Step 6: Final answer
    x = 205,438,542.69

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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.