Home / 60,507,003.40-90,748,695.30-20,117,487.40

Finding the Fourth Proportional to 60,507,003.40, 90,748,695.30 and 20,117,487.40

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Solution

The fourth proportional to 60,507,003.40, 90,748,695.30 and 20,117,487.40 is: 30,172,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,507,003.40 : 90,748,695.30 = 20,117,487.40 : x
  2. Step 2: Convert to fraction form
    60,507,003.40/90,748,695.30 = 20,117,487.40/x
  3. Step 3: Cross multiply
    60,507,003.40x = 90,748,695.30 × 20,117,487.40
  4. Step 4: Simplify right side
    60,507,003.40x = 1,825,635,734,264,189
  5. Step 5: Solve for x
    x = 1,825,635,734,264,189/60,507,003.40
  6. Step 6: Final answer
    x = 30,172,304.55

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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.