Home / 85,214,957.70-127,822,436.55-59,138,919.30

Finding the Fourth Proportional to 85,214,957.70, 127,822,436.55 and 59,138,919.30

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Solution

The fourth proportional to 85,214,957.70, 127,822,436.55 and 59,138,919.30 is: 88,708,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,214,957.70 : 127,822,436.55 = 59,138,919.30 : x
  2. Step 2: Convert to fraction form
    85,214,957.70/127,822,436.55 = 59,138,919.30/x
  3. Step 3: Cross multiply
    85,214,957.70x = 127,822,436.55 × 59,138,919.30
  4. Step 4: Simplify right side
    85,214,957.70x = 7,559,280,759,859,820
  5. Step 5: Solve for x
    x = 7,559,280,759,859,820/85,214,957.70
  6. Step 6: Final answer
    x = 88,708,378.95

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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.