Home / 136,145,655.90-204,191,911.80-45,269,244.90

Finding the Fourth Proportional to 136,145,655.90, 204,191,911.80 and 45,269,244.90

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Solution

The fourth proportional to 136,145,655.90, 204,191,911.80 and 45,269,244.90 is: 67,895,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,145,655.90 : 204,191,911.80 = 45,269,244.90 : x
  2. Step 2: Convert to fraction form
    136,145,655.90/204,191,911.80 = 45,269,244.90/x
  3. Step 3: Cross multiply
    136,145,655.90x = 204,191,911.80 × 45,269,244.90
  4. Step 4: Simplify right side
    136,145,655.90x = 9,243,613,661,873,400
  5. Step 5: Solve for x
    x = 9,243,613,661,873,400/136,145,655.90
  6. Step 6: Final answer
    x = 67,895,031.98

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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.