Home / 187,272,032.20-280,908,048.30-122,648,806.60

Finding the Fourth Proportional to 187,272,032.20, 280,908,048.30 and 122,648,806.60

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Solution

The fourth proportional to 187,272,032.20, 280,908,048.30 and 122,648,806.60 is: 183,973,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,032.20 : 280,908,048.30 = 122,648,806.60 : x
  2. Step 2: Convert to fraction form
    187,272,032.20/280,908,048.30 = 122,648,806.60/x
  3. Step 3: Cross multiply
    187,272,032.20x = 280,908,048.30 × 122,648,806.60
  4. Step 4: Simplify right side
    187,272,032.20x = 34,453,036,888,330,160
  5. Step 5: Solve for x
    x = 34,453,036,888,330,160/187,272,032.20
  6. Step 6: Final answer
    x = 183,973,209.90

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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.