Home / 220,191,655.53-330,069,316.85-103,397,939.28

Finding the Fourth Proportional to 220,191,655.53, 330,069,316.85 and 103,397,939.28

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Solution

The fourth proportional to 220,191,655.53, 330,069,316.85 and 103,397,939.28 is: 154,994,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,191,655.53 : 330,069,316.85 = 103,397,939.28 : x
  2. Step 2: Convert to fraction form
    220,191,655.53/330,069,316.85 = 103,397,939.28/x
  3. Step 3: Cross multiply
    220,191,655.53x = 330,069,316.85 × 103,397,939.28
  4. Step 4: Simplify right side
    220,191,655.53x = 34,128,487,181,717,096
  5. Step 5: Solve for x
    x = 34,128,487,181,717,096/220,191,655.53
  6. Step 6: Final answer
    x = 154,994,461.98

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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.