Home / 118,345,919.20-177,518,878.80-54,644,927.20

Finding the Fourth Proportional to 118,345,919.20, 177,518,878.80 and 54,644,927.20

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Solution

The fourth proportional to 118,345,919.20, 177,518,878.80 and 54,644,927.20 is: 81,967,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,345,919.20 : 177,518,878.80 = 54,644,927.20 : x
  2. Step 2: Convert to fraction form
    118,345,919.20/177,518,878.80 = 54,644,927.20/x
  3. Step 3: Cross multiply
    118,345,919.20x = 177,518,878.80 × 54,644,927.20
  4. Step 4: Simplify right side
    118,345,919.20x = 9,700,506,208,651,624
  5. Step 5: Solve for x
    x = 9,700,506,208,651,624/118,345,919.20
  6. Step 6: Final answer
    x = 81,967,390.80

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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.