Home / 124,467,287.80-186,700,931.70-79,229,630.20

Finding the Fourth Proportional to 124,467,287.80, 186,700,931.70 and 79,229,630.20

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Solution

The fourth proportional to 124,467,287.80, 186,700,931.70 and 79,229,630.20 is: 118,844,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,467,287.80 : 186,700,931.70 = 79,229,630.20 : x
  2. Step 2: Convert to fraction form
    124,467,287.80/186,700,931.70 = 79,229,630.20/x
  3. Step 3: Cross multiply
    124,467,287.80x = 186,700,931.70 × 79,229,630.20
  4. Step 4: Simplify right side
    124,467,287.80x = 14,792,245,776,586,456
  5. Step 5: Solve for x
    x = 14,792,245,776,586,456/124,467,287.80
  6. Step 6: Final answer
    x = 118,844,445.30

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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.