Home / 124,570,228.80-186,855,343.20-72,701,587.20

Finding the Fourth Proportional to 124,570,228.80, 186,855,343.20 and 72,701,587.20

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Solution

The fourth proportional to 124,570,228.80, 186,855,343.20 and 72,701,587.20 is: 109,052,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,570,228.80 : 186,855,343.20 = 72,701,587.20 : x
  2. Step 2: Convert to fraction form
    124,570,228.80/186,855,343.20 = 72,701,587.20/x
  3. Step 3: Cross multiply
    124,570,228.80x = 186,855,343.20 × 72,701,587.20
  4. Step 4: Simplify right side
    124,570,228.80x = 13,584,680,027,440,726
  5. Step 5: Solve for x
    x = 13,584,680,027,440,726/124,570,228.80
  6. Step 6: Final answer
    x = 109,052,380.80

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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.