Home / 118,098,219.20-177,147,328.80-83,660,842.40

Finding the Fourth Proportional to 118,098,219.20, 177,147,328.80 and 83,660,842.40

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Solution

The fourth proportional to 118,098,219.20, 177,147,328.80 and 83,660,842.40 is: 125,491,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,219.20 : 177,147,328.80 = 83,660,842.40 : x
  2. Step 2: Convert to fraction form
    118,098,219.20/177,147,328.80 = 83,660,842.40/x
  3. Step 3: Cross multiply
    118,098,219.20x = 177,147,328.80 × 83,660,842.40
  4. Step 4: Simplify right side
    118,098,219.20x = 14,820,294,756,317,784
  5. Step 5: Solve for x
    x = 14,820,294,756,317,784/118,098,219.20
  6. Step 6: Final answer
    x = 125,491,263.60

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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.