Home / 89,794,308.48-134,696,270.88-28,378,795.20

Finding the Fourth Proportional to 89,794,308.48, 134,696,270.88 and 28,378,795.20

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Solution

The fourth proportional to 89,794,308.48, 134,696,270.88 and 28,378,795.20 is: 42,569,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,794,308.48 : 134,696,270.88 = 28,378,795.20 : x
  2. Step 2: Convert to fraction form
    89,794,308.48/134,696,270.88 = 28,378,795.20/x
  3. Step 3: Cross multiply
    89,794,308.48x = 134,696,270.88 × 28,378,795.20
  4. Step 4: Simplify right side
    89,794,308.48x = 3,822,517,885,507,243.50
  5. Step 5: Solve for x
    x = 3,822,517,885,507,243.50/89,794,308.48
  6. Step 6: Final answer
    x = 42,569,712.38

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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.