Home / 187,344,891.20-281,017,336.80-168,260,254.40

Finding the Fourth Proportional to 187,344,891.20, 281,017,336.80 and 168,260,254.40

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Solution

The fourth proportional to 187,344,891.20, 281,017,336.80 and 168,260,254.40 is: 252,390,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,344,891.20 : 281,017,336.80 = 168,260,254.40 : x
  2. Step 2: Convert to fraction form
    187,344,891.20/281,017,336.80 = 168,260,254.40/x
  3. Step 3: Cross multiply
    187,344,891.20x = 281,017,336.80 × 168,260,254.40
  4. Step 4: Simplify right side
    187,344,891.20x = 47,284,048,580,778,488
  5. Step 5: Solve for x
    x = 47,284,048,580,778,488/187,344,891.20
  6. Step 6: Final answer
    x = 252,390,381.60

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1.5x scale

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.