Home / 85,340,784.60-127,822,220.10-70,224,240.60

Finding the Fourth Proportional to 85,340,784.60, 127,822,220.10 and 70,224,240.60

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Solution

The fourth proportional to 85,340,784.60, 127,822,220.10 and 70,224,240.60 is: 105,180,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340,784.60 : 127,822,220.10 = 70,224,240.60 : x
  2. Step 2: Convert to fraction form
    85,340,784.60/127,822,220.10 = 70,224,240.60/x
  3. Step 3: Cross multiply
    85,340,784.60x = 127,822,220.10 × 70,224,240.60
  4. Step 4: Simplify right side
    85,340,784.60x = 8,976,218,338,328,555
  5. Step 5: Solve for x
    x = 8,976,218,338,328,555/85,340,784.60
  6. Step 6: Final answer
    x = 105,180,874.31

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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.