Home / 149,139,242.15-223,695,060.26-70,337,680.70

Finding the Fourth Proportional to 149,139,242.15, 223,695,060.26 and 70,337,680.70

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Solution

The fourth proportional to 149,139,242.15, 223,695,060.26 and 70,337,680.70 is: 105,500,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,139,242.15 : 223,695,060.26 = 70,337,680.70 : x
  2. Step 2: Convert to fraction form
    149,139,242.15/223,695,060.26 = 70,337,680.70/x
  3. Step 3: Cross multiply
    149,139,242.15x = 223,695,060.26 × 70,337,680.70
  4. Step 4: Simplify right side
    149,139,242.15x = 15,734,191,721,264,974
  5. Step 5: Solve for x
    x = 15,734,191,721,264,974/149,139,242.15
  6. Step 6: Final answer
    x = 105,500,011.23

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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.