Home / 410,111,204.43-615,168,402.62-99,218,321.56

Finding the Fourth Proportional to 410,111,204.43, 615,168,402.62 and 99,218,321.56

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Solution

The fourth proportional to 410,111,204.43, 615,168,402.62 and 99,218,321.56 is: 148,827,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,204.43 : 615,168,402.62 = 99,218,321.56 : x
  2. Step 2: Convert to fraction form
    410,111,204.43/615,168,402.62 = 99,218,321.56/x
  3. Step 3: Cross multiply
    410,111,204.43x = 615,168,402.62 × 99,218,321.56
  4. Step 4: Simplify right side
    410,111,204.43x = 61,035,976,386,816,432
  5. Step 5: Solve for x
    x = 61,035,976,386,816,432/410,111,204.43
  6. Step 6: Final answer
    x = 148,827,868.46

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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.