Home / 115,034,718.81-172,555,621.28-50,305,205.01

Finding the Fourth Proportional to 115,034,718.81, 172,555,621.28 and 50,305,205.01

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Solution

The fourth proportional to 115,034,718.81, 172,555,621.28 and 50,305,205.01 is: 75,459,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034,718.81 : 172,555,621.28 = 50,305,205.01 : x
  2. Step 2: Convert to fraction form
    115,034,718.81/172,555,621.28 = 50,305,205.01/x
  3. Step 3: Cross multiply
    115,034,718.81x = 172,555,621.28 × 50,305,205.01
  4. Step 4: Simplify right side
    115,034,718.81x = 8,680,445,903,866,793
  5. Step 5: Solve for x
    x = 8,680,445,903,866,793/115,034,718.81
  6. Step 6: Final answer
    x = 75,459,356.91

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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.