Home / 125,244,014.80-187,866,022.20-74,099,707.60

Finding the Fourth Proportional to 125,244,014.80, 187,866,022.20 and 74,099,707.60

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Solution

The fourth proportional to 125,244,014.80, 187,866,022.20 and 74,099,707.60 is: 111,149,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,244,014.80 : 187,866,022.20 = 74,099,707.60 : x
  2. Step 2: Convert to fraction form
    125,244,014.80/187,866,022.20 = 74,099,707.60/x
  3. Step 3: Cross multiply
    125,244,014.80x = 187,866,022.20 × 74,099,707.60
  4. Step 4: Simplify right side
    125,244,014.80x = 13,920,817,312,995,106
  5. Step 5: Solve for x
    x = 13,920,817,312,995,106/125,244,014.80
  6. Step 6: Final answer
    x = 111,149,561.40

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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.