Home / 232,577,220.96-320,970,657.76-128,155,165.92

Finding the Fourth Proportional to 232,577,220.96, 320,970,657.76 and 128,155,165.92

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Solution

The fourth proportional to 232,577,220.96, 320,970,657.76 and 128,155,165.92 is: 176,861,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,577,220.96 : 320,970,657.76 = 128,155,165.92 : x
  2. Step 2: Convert to fraction form
    232,577,220.96/320,970,657.76 = 128,155,165.92/x
  3. Step 3: Cross multiply
    232,577,220.96x = 320,970,657.76 × 128,155,165.92
  4. Step 4: Simplify right side
    232,577,220.96x = 41,134,047,900,684,336
  5. Step 5: Solve for x
    x = 41,134,047,900,684,336/232,577,220.96
  6. Step 6: Final answer
    x = 176,861,894.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.