Home / 177,229,465.60-265,645,132.80-74,976,102.40

Finding the Fourth Proportional to 177,229,465.60, 265,645,132.80 and 74,976,102.40

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Solution

The fourth proportional to 177,229,465.60, 265,645,132.80 and 74,976,102.40 is: 112,379,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,229,465.60 : 265,645,132.80 = 74,976,102.40 : x
  2. Step 2: Convert to fraction form
    177,229,465.60/265,645,132.80 = 74,976,102.40/x
  3. Step 3: Cross multiply
    177,229,465.60x = 265,645,132.80 × 74,976,102.40
  4. Step 4: Simplify right side
    177,229,465.60x = 19,917,036,678,874,400
  5. Step 5: Solve for x
    x = 19,917,036,678,874,400/177,229,465.60
  6. Step 6: Final answer
    x = 112,379,939.82

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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.