Home / 129,122,536.68-178,187,650.02-70,383,913.02

Finding the Fourth Proportional to 129,122,536.68, 178,187,650.02 and 70,383,913.02

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Solution

The fourth proportional to 129,122,536.68, 178,187,650.02 and 70,383,913.02 is: 97,129,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,122,536.68 : 178,187,650.02 = 70,383,913.02 : x
  2. Step 2: Convert to fraction form
    129,122,536.68/178,187,650.02 = 70,383,913.02/x
  3. Step 3: Cross multiply
    129,122,536.68x = 178,187,650.02 × 70,383,913.02
  4. Step 4: Simplify right side
    129,122,536.68x = 12,541,544,060,245,882
  5. Step 5: Solve for x
    x = 12,541,544,060,245,882/129,122,536.68
  6. Step 6: Final answer
    x = 97,129,009.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.