Home / 85,248,015.80-127,872,023.70-48,856,335.80

Finding the Fourth Proportional to 85,248,015.80, 127,872,023.70 and 48,856,335.80

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Solution

The fourth proportional to 85,248,015.80, 127,872,023.70 and 48,856,335.80 is: 73,284,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,015.80 : 127,872,023.70 = 48,856,335.80 : x
  2. Step 2: Convert to fraction form
    85,248,015.80/127,872,023.70 = 48,856,335.80/x
  3. Step 3: Cross multiply
    85,248,015.80x = 127,872,023.70 × 48,856,335.80
  4. Step 4: Simplify right side
    85,248,015.80x = 6,247,358,529,312,758
  5. Step 5: Solve for x
    x = 6,247,358,529,312,758/85,248,015.80
  6. Step 6: Final answer
    x = 73,284,503.70

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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.