Home / 185,813,659.60-278,720,489.40-64,645,111.60

Finding the Fourth Proportional to 185,813,659.60, 278,720,489.40 and 64,645,111.60

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Solution

The fourth proportional to 185,813,659.60, 278,720,489.40 and 64,645,111.60 is: 96,967,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,813,659.60 : 278,720,489.40 = 64,645,111.60 : x
  2. Step 2: Convert to fraction form
    185,813,659.60/278,720,489.40 = 64,645,111.60/x
  3. Step 3: Cross multiply
    185,813,659.60x = 278,720,489.40 × 64,645,111.60
  4. Step 4: Simplify right side
    185,813,659.60x = 18,017,917,142,469,616
  5. Step 5: Solve for x
    x = 18,017,917,142,469,616/185,813,659.60
  6. Step 6: Final answer
    x = 96,967,667.40

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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.