Home / 199,299,792.60-298,949,688.90-147,643,727.40

Finding the Fourth Proportional to 199,299,792.60, 298,949,688.90 and 147,643,727.40

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Solution

The fourth proportional to 199,299,792.60, 298,949,688.90 and 147,643,727.40 is: 221,465,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,299,792.60 : 298,949,688.90 = 147,643,727.40 : x
  2. Step 2: Convert to fraction form
    199,299,792.60/298,949,688.90 = 147,643,727.40/x
  3. Step 3: Cross multiply
    199,299,792.60x = 298,949,688.90 × 147,643,727.40
  4. Step 4: Simplify right side
    199,299,792.60x = 44,138,046,374,266,408
  5. Step 5: Solve for x
    x = 44,138,046,374,266,408/199,299,792.60
  6. Step 6: Final answer
    x = 221,465,591.10

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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.