Home / 97,002,687.60-145,504,031.40-91,263,124.80

Finding the Fourth Proportional to 97,002,687.60, 145,504,031.40 and 91,263,124.80

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Solution

The fourth proportional to 97,002,687.60, 145,504,031.40 and 91,263,124.80 is: 136,894,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,002,687.60 : 145,504,031.40 = 91,263,124.80 : x
  2. Step 2: Convert to fraction form
    97,002,687.60/145,504,031.40 = 91,263,124.80/x
  3. Step 3: Cross multiply
    97,002,687.60x = 145,504,031.40 × 91,263,124.80
  4. Step 4: Simplify right side
    97,002,687.60x = 13,279,152,576,561,318
  5. Step 5: Solve for x
    x = 13,279,152,576,561,318/97,002,687.60
  6. Step 6: Final answer
    x = 136,894,687.20

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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.