Home / 410,111,218.85-615,168,424.25-99,218,335.96

Finding the Fourth Proportional to 410,111,218.85, 615,168,424.25 and 99,218,335.96

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Solution

The fourth proportional to 410,111,218.85, 615,168,424.25 and 99,218,335.96 is: 148,827,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,218.85 : 615,168,424.25 = 99,218,335.96 : x
  2. Step 2: Convert to fraction form
    410,111,218.85/615,168,424.25 = 99,218,335.96/x
  3. Step 3: Cross multiply
    410,111,218.85x = 615,168,424.25 × 99,218,335.96
  4. Step 4: Simplify right side
    410,111,218.85x = 61,035,987,389,220,304
  5. Step 5: Solve for x
    x = 61,035,987,389,220,304/410,111,218.85
  6. Step 6: Final answer
    x = 148,827,890.05

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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.