Home / 260,792,470.60-391,188,705.90-157,055,187.40

Finding the Fourth Proportional to 260,792,470.60, 391,188,705.90 and 157,055,187.40

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Solution

The fourth proportional to 260,792,470.60, 391,188,705.90 and 157,055,187.40 is: 235,582,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,792,470.60 : 391,188,705.90 = 157,055,187.40 : x
  2. Step 2: Convert to fraction form
    260,792,470.60/391,188,705.90 = 157,055,187.40/x
  3. Step 3: Cross multiply
    260,792,470.60x = 391,188,705.90 × 157,055,187.40
  4. Step 4: Simplify right side
    260,792,470.60x = 61,438,215,513,887,984
  5. Step 5: Solve for x
    x = 61,438,215,513,887,984/260,792,470.60
  6. Step 6: Final answer
    x = 235,582,781.10

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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.