Home / 118,345,903.20-177,518,854.80-54,644,911.20

Finding the Fourth Proportional to 118,345,903.20, 177,518,854.80 and 54,644,911.20

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Solution

The fourth proportional to 118,345,903.20, 177,518,854.80 and 54,644,911.20 is: 81,967,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,345,903.20 : 177,518,854.80 = 54,644,911.20 : x
  2. Step 2: Convert to fraction form
    118,345,903.20/177,518,854.80 = 54,644,911.20/x
  3. Step 3: Cross multiply
    118,345,903.20x = 177,518,854.80 × 54,644,911.20
  4. Step 4: Simplify right side
    118,345,903.20x = 9,700,502,056,871,694
  5. Step 5: Solve for x
    x = 9,700,502,056,871,694/118,345,903.20
  6. Step 6: Final answer
    x = 81,967,366.80

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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.