Home / 118,697,974.80-178,046,962.20-88,086,973.20

Finding the Fourth Proportional to 118,697,974.80, 178,046,962.20 and 88,086,973.20

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Solution

The fourth proportional to 118,697,974.80, 178,046,962.20 and 88,086,973.20 is: 132,130,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,697,974.80 : 178,046,962.20 = 88,086,973.20 : x
  2. Step 2: Convert to fraction form
    118,697,974.80/178,046,962.20 = 88,086,973.20/x
  3. Step 3: Cross multiply
    118,697,974.80x = 178,046,962.20 × 88,086,973.20
  4. Step 4: Simplify right side
    118,697,974.80x = 15,683,617,987,652,812
  5. Step 5: Solve for x
    x = 15,683,617,987,652,812/118,697,974.80
  6. Step 6: Final answer
    x = 132,130,459.80

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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.