Home / 54,329,117.60-81,588,154.80-28,819,949.60

Finding the Fourth Proportional to 54,329,117.60, 81,588,154.80 and 28,819,949.60

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Solution

The fourth proportional to 54,329,117.60, 81,588,154.80 and 28,819,949.60 is: 43,280,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329,117.60 : 81,588,154.80 = 28,819,949.60 : x
  2. Step 2: Convert to fraction form
    54,329,117.60/81,588,154.80 = 28,819,949.60/x
  3. Step 3: Cross multiply
    54,329,117.60x = 81,588,154.80 × 28,819,949.60
  4. Step 4: Simplify right side
    54,329,117.60x = 2,351,366,509,292,998
  5. Step 5: Solve for x
    x = 2,351,366,509,292,998/54,329,117.60
  6. Step 6: Final answer
    x = 43,280,042.33

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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.