Home / 121,266,686.40-181,923,649.20-35,007,907.20

Finding the Fourth Proportional to 121,266,686.40, 181,923,649.20 and 35,007,907.20

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Solution

The fourth proportional to 121,266,686.40, 181,923,649.20 and 35,007,907.20 is: 52,518,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,266,686.40 : 181,923,649.20 = 35,007,907.20 : x
  2. Step 2: Convert to fraction form
    121,266,686.40/181,923,649.20 = 35,007,907.20/x
  3. Step 3: Cross multiply
    121,266,686.40x = 181,923,649.20 × 35,007,907.20
  4. Step 4: Simplify right side
    121,266,686.40x = 6,368,766,228,678,954
  5. Step 5: Solve for x
    x = 6,368,766,228,678,954/121,266,686.40
  6. Step 6: Final answer
    x = 52,518,679.43

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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.