Home / 410,111,217.38-615,168,422.07-99,218,334.50

Finding the Fourth Proportional to 410,111,217.38, 615,168,422.07 and 99,218,334.50

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Solution

The fourth proportional to 410,111,217.38, 615,168,422.07 and 99,218,334.50 is: 148,827,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,217.38 : 615,168,422.07 = 99,218,334.50 : x
  2. Step 2: Convert to fraction form
    410,111,217.38/615,168,422.07 = 99,218,334.50/x
  3. Step 3: Cross multiply
    410,111,217.38x = 615,168,422.07 × 99,218,334.50
  4. Step 4: Simplify right side
    410,111,217.38x = 61,035,986,273,634,440
  5. Step 5: Solve for x
    x = 61,035,986,273,634,440/410,111,217.38
  6. Step 6: Final answer
    x = 148,827,887.87

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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.