Home / 118,697,427.20-178,046,140.80-98,542,035.20

Finding the Fourth Proportional to 118,697,427.20, 178,046,140.80 and 98,542,035.20

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Solution

The fourth proportional to 118,697,427.20, 178,046,140.80 and 98,542,035.20 is: 147,813,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,697,427.20 : 178,046,140.80 = 98,542,035.20 : x
  2. Step 2: Convert to fraction form
    118,697,427.20/178,046,140.80 = 98,542,035.20/x
  3. Step 3: Cross multiply
    118,697,427.20x = 178,046,140.80 × 98,542,035.20
  4. Step 4: Simplify right side
    118,697,427.20x = 17,545,029,073,937,758
  5. Step 5: Solve for x
    x = 17,545,029,073,937,758/118,697,427.20
  6. Step 6: Final answer
    x = 147,813,052.80

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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.