Home / 118,346,671.20-177,520,006.80-54,645,679.20

Finding the Fourth Proportional to 118,346,671.20, 177,520,006.80 and 54,645,679.20

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Solution

The fourth proportional to 118,346,671.20, 177,520,006.80 and 54,645,679.20 is: 81,968,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,671.20 : 177,520,006.80 = 54,645,679.20 : x
  2. Step 2: Convert to fraction form
    118,346,671.20/177,520,006.80 = 54,645,679.20/x
  3. Step 3: Cross multiply
    118,346,671.20x = 177,520,006.80 × 54,645,679.20
  4. Step 4: Simplify right side
    118,346,671.20x = 9,700,701,343,174,620
  5. Step 5: Solve for x
    x = 9,700,701,343,174,620/118,346,671.20
  6. Step 6: Final answer
    x = 81,968,518.80

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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.