Home / 121,280,080.80-181,920,121.20-35,021,301.60

Finding the Fourth Proportional to 121,280,080.80, 181,920,121.20 and 35,021,301.60

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Solution

The fourth proportional to 121,280,080.80, 181,920,121.20 and 35,021,301.60 is: 52,531,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280,080.80 : 181,920,121.20 = 35,021,301.60 : x
  2. Step 2: Convert to fraction form
    121,280,080.80/181,920,121.20 = 35,021,301.60/x
  3. Step 3: Cross multiply
    121,280,080.80x = 181,920,121.20 × 35,021,301.60
  4. Step 4: Simplify right side
    121,280,080.80x = 6,371,079,431,653,754
  5. Step 5: Solve for x
    x = 6,371,079,431,653,754/121,280,080.80
  6. Step 6: Final answer
    x = 52,531,952.40

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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.