Home / 207,433,683.28-311,345,819.16-105,271,040.08

Finding the Fourth Proportional to 207,433,683.28, 311,345,819.16 and 105,271,040.08

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Solution

The fourth proportional to 207,433,683.28, 311,345,819.16 and 105,271,040.08 is: 158,005,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,433,683.28 : 311,345,819.16 = 105,271,040.08 : x
  2. Step 2: Convert to fraction form
    207,433,683.28/311,345,819.16 = 105,271,040.08/x
  3. Step 3: Cross multiply
    207,433,683.28x = 311,345,819.16 × 105,271,040.08
  4. Step 4: Simplify right side
    207,433,683.28x = 32,775,698,207,532,796
  5. Step 5: Solve for x
    x = 32,775,698,207,532,796/207,433,683.28
  6. Step 6: Final answer
    x = 158,005,670.48

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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.