Home / 208,713,125.72-288,050,685.46-126,207,500.92

Finding the Fourth Proportional to 208,713,125.72, 288,050,685.46 and 126,207,500.92

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Solution

The fourth proportional to 208,713,125.72, 288,050,685.46 and 126,207,500.92 is: 174,182,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,713,125.72 : 288,050,685.46 = 126,207,500.92 : x
  2. Step 2: Convert to fraction form
    208,713,125.72/288,050,685.46 = 126,207,500.92/x
  3. Step 3: Cross multiply
    208,713,125.72x = 288,050,685.46 × 126,207,500.92
  4. Step 4: Simplify right side
    208,713,125.72x = 36,354,157,150,199,576
  5. Step 5: Solve for x
    x = 36,354,157,150,199,576/208,713,125.72
  6. Step 6: Final answer
    x = 174,182,419.17

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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.