Home / 79,350,392.80-118,878,622.80-45,170,207.20

Finding the Fourth Proportional to 79,350,392.80, 118,878,622.80 and 45,170,207.20

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Solution

The fourth proportional to 79,350,392.80, 118,878,622.80 and 45,170,207.20 is: 67,671,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350,392.80 : 118,878,622.80 = 45,170,207.20 : x
  2. Step 2: Convert to fraction form
    79,350,392.80/118,878,622.80 = 45,170,207.20/x
  3. Step 3: Cross multiply
    79,350,392.80x = 118,878,622.80 × 45,170,207.20
  4. Step 4: Simplify right side
    79,350,392.80x = 5,369,772,023,526,644
  5. Step 5: Solve for x
    x = 5,369,772,023,526,644/79,350,392.80
  6. Step 6: Final answer
    x = 67,671,650.18

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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.