Home / 207,438,475.80-311,157,713.70-104,126,345.40

Finding the Fourth Proportional to 207,438,475.80, 311,157,713.70 and 104,126,345.40

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Solution

The fourth proportional to 207,438,475.80, 311,157,713.70 and 104,126,345.40 is: 156,189,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,438,475.80 : 311,157,713.70 = 104,126,345.40 : x
  2. Step 2: Convert to fraction form
    207,438,475.80/311,157,713.70 = 104,126,345.40/x
  3. Step 3: Cross multiply
    207,438,475.80x = 311,157,713.70 × 104,126,345.40
  4. Step 4: Simplify right side
    207,438,475.80x = 32,399,715,570,600,512
  5. Step 5: Solve for x
    x = 32,399,715,570,600,512/207,438,475.80
  6. Step 6: Final answer
    x = 156,189,518.10

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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.