Home / 213,192,026.40-319,694,727.60-98,138,330.40

Finding the Fourth Proportional to 213,192,026.40, 319,694,727.60 and 98,138,330.40

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Solution

The fourth proportional to 213,192,026.40, 319,694,727.60 and 98,138,330.40 is: 147,164,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192,026.40 : 319,694,727.60 = 98,138,330.40 : x
  2. Step 2: Convert to fraction form
    213,192,026.40/319,694,727.60 = 98,138,330.40/x
  3. Step 3: Cross multiply
    213,192,026.40x = 319,694,727.60 × 98,138,330.40
  4. Step 4: Simplify right side
    213,192,026.40x = 31,374,306,804,346,804
  5. Step 5: Solve for x
    x = 31,374,306,804,346,804/213,192,026.40
  6. Step 6: Final answer
    x = 147,164,541.44

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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.