Home / 60,631,903.40-90,948,632.70-20,242,387.40

Finding the Fourth Proportional to 60,631,903.40, 90,948,632.70 and 20,242,387.40

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Solution

The fourth proportional to 60,631,903.40, 90,948,632.70 and 20,242,387.40 is: 30,363,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,631,903.40 : 90,948,632.70 = 20,242,387.40 : x
  2. Step 2: Convert to fraction form
    60,631,903.40/90,948,632.70 = 20,242,387.40/x
  3. Step 3: Cross multiply
    60,631,903.40x = 90,948,632.70 × 20,242,387.40
  4. Step 4: Simplify right side
    60,631,903.40x = 1,841,017,456,613,708
  5. Step 5: Solve for x
    x = 1,841,017,456,613,708/60,631,903.40
  6. Step 6: Final answer
    x = 30,363,840.71

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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.