Home / 162,113,899.20-242,640,007.20-126,016,670.40

Finding the Fourth Proportional to 162,113,899.20, 242,640,007.20 and 126,016,670.40

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Solution

The fourth proportional to 162,113,899.20, 242,640,007.20 and 126,016,670.40 is: 188,612,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,113,899.20 : 242,640,007.20 = 126,016,670.40 : x
  2. Step 2: Convert to fraction form
    162,113,899.20/242,640,007.20 = 126,016,670.40/x
  3. Step 3: Cross multiply
    162,113,899.20x = 242,640,007.20 × 126,016,670.40
  4. Step 4: Simplify right side
    162,113,899.20x = 30,576,685,813,176,028
  5. Step 5: Solve for x
    x = 30,576,685,813,176,028/162,113,899.20
  6. Step 6: Final answer
    x = 188,612,364.29

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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.