Home / 99,864,305.60-149,796,458.40-65,852,081.60

Finding the Fourth Proportional to 99,864,305.60, 149,796,458.40 and 65,852,081.60

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Solution

The fourth proportional to 99,864,305.60, 149,796,458.40 and 65,852,081.60 is: 98,778,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,864,305.60 : 149,796,458.40 = 65,852,081.60 : x
  2. Step 2: Convert to fraction form
    99,864,305.60/149,796,458.40 = 65,852,081.60/x
  3. Step 3: Cross multiply
    99,864,305.60x = 149,796,458.40 × 65,852,081.60
  4. Step 4: Simplify right side
    99,864,305.60x = 9,864,408,601,947,806
  5. Step 5: Solve for x
    x = 9,864,408,601,947,806/99,864,305.60
  6. Step 6: Final answer
    x = 98,778,122.40

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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.