Home / 129,827,286.28-179,161,693.64-70,288,570.54

Finding the Fourth Proportional to 129,827,286.28, 179,161,693.64 and 70,288,570.54

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Solution

The fourth proportional to 129,827,286.28, 179,161,693.64 and 70,288,570.54 is: 96,998,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827,286.28 : 179,161,693.64 = 70,288,570.54 : x
  2. Step 2: Convert to fraction form
    129,827,286.28/179,161,693.64 = 70,288,570.54/x
  3. Step 3: Cross multiply
    129,827,286.28x = 179,161,693.64 × 70,288,570.54
  4. Step 4: Simplify right side
    129,827,286.28x = 12,593,019,341,671,146
  5. Step 5: Solve for x
    x = 12,593,019,341,671,146/129,827,286.28
  6. Step 6: Final answer
    x = 96,998,248.23

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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.