Home / 165,046,009.20-247,569,013.80-152,574,860.40

Finding the Fourth Proportional to 165,046,009.20, 247,569,013.80 and 152,574,860.40

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Solution

The fourth proportional to 165,046,009.20, 247,569,013.80 and 152,574,860.40 is: 228,862,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,046,009.20 : 247,569,013.80 = 152,574,860.40 : x
  2. Step 2: Convert to fraction form
    165,046,009.20/247,569,013.80 = 152,574,860.40/x
  3. Step 3: Cross multiply
    165,046,009.20x = 247,569,013.80 × 152,574,860.40
  4. Step 4: Simplify right side
    165,046,009.20x = 37,772,807,719,900,680
  5. Step 5: Solve for x
    x = 37,772,807,719,900,680/165,046,009.20
  6. Step 6: Final answer
    x = 228,862,290.60

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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.