Home / 209,952,207.70-314,928,311.55-145,238,002.90

Finding the Fourth Proportional to 209,952,207.70, 314,928,311.55 and 145,238,002.90

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Solution

The fourth proportional to 209,952,207.70, 314,928,311.55 and 145,238,002.90 is: 217,857,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,207.70 : 314,928,311.55 = 145,238,002.90 : x
  2. Step 2: Convert to fraction form
    209,952,207.70/314,928,311.55 = 145,238,002.90/x
  3. Step 3: Cross multiply
    209,952,207.70x = 314,928,311.55 × 145,238,002.90
  4. Step 4: Simplify right side
    209,952,207.70x = 45,739,559,026,191,008
  5. Step 5: Solve for x
    x = 45,739,559,026,191,008/209,952,207.70
  6. Step 6: Final answer
    x = 217,857,004.35

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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.