Home / 199,299,867.60-298,949,801.40-147,643,802.40

Finding the Fourth Proportional to 199,299,867.60, 298,949,801.40 and 147,643,802.40

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Solution

The fourth proportional to 199,299,867.60, 298,949,801.40 and 147,643,802.40 is: 221,465,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,299,867.60 : 298,949,801.40 = 147,643,802.40 : x
  2. Step 2: Convert to fraction form
    199,299,867.60/298,949,801.40 = 147,643,802.40/x
  3. Step 3: Cross multiply
    199,299,867.60x = 298,949,801.40 × 147,643,802.40
  4. Step 4: Simplify right side
    199,299,867.60x = 44,138,085,405,420,840
  5. Step 5: Solve for x
    x = 44,138,085,405,420,840/199,299,867.60
  6. Step 6: Final answer
    x = 221,465,703.60

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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.