Home / 104,979,701.40-157,469,552.10-28,310,479.80

Finding the Fourth Proportional to 104,979,701.40, 157,469,552.10 and 28,310,479.80

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Solution

The fourth proportional to 104,979,701.40, 157,469,552.10 and 28,310,479.80 is: 42,465,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979,701.40 : 157,469,552.10 = 28,310,479.80 : x
  2. Step 2: Convert to fraction form
    104,979,701.40/157,469,552.10 = 28,310,479.80/x
  3. Step 3: Cross multiply
    104,979,701.40x = 157,469,552.10 × 28,310,479.80
  4. Step 4: Simplify right side
    104,979,701.40x = 4,458,038,573,842,097.50
  5. Step 5: Solve for x
    x = 4,458,038,573,842,097.50/104,979,701.40
  6. Step 6: Final answer
    x = 42,465,719.70

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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.