Home / 112,421,672.80-168,695,494.80-47,714,466.40

Finding the Fourth Proportional to 112,421,672.80, 168,695,494.80 and 47,714,466.40

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Solution

The fourth proportional to 112,421,672.80, 168,695,494.80 and 47,714,466.40 is: 71,598,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,421,672.80 : 168,695,494.80 = 47,714,466.40 : x
  2. Step 2: Convert to fraction form
    112,421,672.80/168,695,494.80 = 47,714,466.40/x
  3. Step 3: Cross multiply
    112,421,672.80x = 168,695,494.80 × 47,714,466.40
  4. Step 4: Simplify right side
    112,421,672.80x = 8,049,215,518,465,975
  5. Step 5: Solve for x
    x = 8,049,215,518,465,975/112,421,672.80
  6. Step 6: Final answer
    x = 71,598,432.21

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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.