Home / 410,111,214.85-615,168,418.25-99,218,331.96

Finding the Fourth Proportional to 410,111,214.85, 615,168,418.25 and 99,218,331.96

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Solution

The fourth proportional to 410,111,214.85, 615,168,418.25 and 99,218,331.96 is: 148,827,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,214.85 : 615,168,418.25 = 99,218,331.96 : x
  2. Step 2: Convert to fraction form
    410,111,214.85/615,168,418.25 = 99,218,331.96/x
  3. Step 3: Cross multiply
    410,111,214.85x = 615,168,418.25 × 99,218,331.96
  4. Step 4: Simplify right side
    410,111,214.85x = 61,035,984,334,080,512
  5. Step 5: Solve for x
    x = 61,035,984,334,080,512/410,111,214.85
  6. Step 6: Final answer
    x = 148,827,884.06

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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.