Home / 85,248,031.80-127,872,047.70-48,856,351.80

Finding the Fourth Proportional to 85,248,031.80, 127,872,047.70 and 48,856,351.80

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Solution

The fourth proportional to 85,248,031.80, 127,872,047.70 and 48,856,351.80 is: 73,284,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,031.80 : 127,872,047.70 = 48,856,351.80 : x
  2. Step 2: Convert to fraction form
    85,248,031.80/127,872,047.70 = 48,856,351.80/x
  3. Step 3: Cross multiply
    85,248,031.80x = 127,872,047.70 × 48,856,351.80
  4. Step 4: Simplify right side
    85,248,031.80x = 6,247,361,747,817,581
  5. Step 5: Solve for x
    x = 6,247,361,747,817,581/85,248,031.80
  6. Step 6: Final answer
    x = 73,284,527.70

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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.