Home / 181,913,029.20-272,869,543.80-66,873,767.40

Finding the Fourth Proportional to 181,913,029.20, 272,869,543.80 and 66,873,767.40

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Solution

The fourth proportional to 181,913,029.20, 272,869,543.80 and 66,873,767.40 is: 100,310,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,913,029.20 : 272,869,543.80 = 66,873,767.40 : x
  2. Step 2: Convert to fraction form
    181,913,029.20/272,869,543.80 = 66,873,767.40/x
  3. Step 3: Cross multiply
    181,913,029.20x = 272,869,543.80 × 66,873,767.40
  4. Step 4: Simplify right side
    181,913,029.20x = 18,247,814,402,625,312
  5. Step 5: Solve for x
    x = 18,247,814,402,625,312/181,913,029.20
  6. Step 6: Final answer
    x = 100,310,651.10

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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.