Home / 432,158,727.31-648,341,217.56-141,026,391.74

Finding the Fourth Proportional to 432,158,727.31, 648,341,217.56 and 141,026,391.74

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Solution

The fourth proportional to 432,158,727.31, 648,341,217.56 and 141,026,391.74 is: 211,573,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,158,727.31 : 648,341,217.56 = 141,026,391.74 : x
  2. Step 2: Convert to fraction form
    432,158,727.31/648,341,217.56 = 141,026,391.74/x
  3. Step 3: Cross multiply
    432,158,727.31x = 648,341,217.56 × 141,026,391.74
  4. Step 4: Simplify right side
    432,158,727.31x = 91,433,222,530,778,544
  5. Step 5: Solve for x
    x = 91,433,222,530,778,544/432,158,727.31
  6. Step 6: Final answer
    x = 211,573,240.93

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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.