Home / 187,488,053.20-281,232,079.80-168,403,416.40

Finding the Fourth Proportional to 187,488,053.20, 281,232,079.80 and 168,403,416.40

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Solution

The fourth proportional to 187,488,053.20, 281,232,079.80 and 168,403,416.40 is: 252,605,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,488,053.20 : 281,232,079.80 = 168,403,416.40 : x
  2. Step 2: Convert to fraction form
    187,488,053.20/281,232,079.80 = 168,403,416.40/x
  3. Step 3: Cross multiply
    187,488,053.20x = 281,232,079.80 × 168,403,416.40
  4. Step 4: Simplify right side
    187,488,053.20x = 47,360,443,039,597,432
  5. Step 5: Solve for x
    x = 47,360,443,039,597,432/187,488,053.20
  6. Step 6: Final answer
    x = 252,605,124.60

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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.