Home / 103,518,979.20-155,146,592.70-55,020,067.20

Finding the Fourth Proportional to 103,518,979.20, 155,146,592.70 and 55,020,067.20

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Solution

The fourth proportional to 103,518,979.20, 155,146,592.70 and 55,020,067.20 is: 82,460,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,518,979.20 : 155,146,592.70 = 55,020,067.20 : x
  2. Step 2: Convert to fraction form
    103,518,979.20/155,146,592.70 = 55,020,067.20/x
  3. Step 3: Cross multiply
    103,518,979.20x = 155,146,592.70 × 55,020,067.20
  4. Step 4: Simplify right side
    103,518,979.20x = 8,536,175,956,205,029
  5. Step 5: Solve for x
    x = 8,536,175,956,205,029/103,518,979.20
  6. Step 6: Final answer
    x = 82,460,009.00

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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.