Home / 125,145,339.60-187,718,009.40-71,397,627.60

Finding the Fourth Proportional to 125,145,339.60, 187,718,009.40 and 71,397,627.60

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Solution

The fourth proportional to 125,145,339.60, 187,718,009.40 and 71,397,627.60 is: 107,096,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145,339.60 : 187,718,009.40 = 71,397,627.60 : x
  2. Step 2: Convert to fraction form
    125,145,339.60/187,718,009.40 = 71,397,627.60/x
  3. Step 3: Cross multiply
    125,145,339.60x = 187,718,009.40 × 71,397,627.60
  4. Step 4: Simplify right side
    125,145,339.60x = 13,402,620,528,954,498
  5. Step 5: Solve for x
    x = 13,402,620,528,954,498/125,145,339.60
  6. Step 6: Final answer
    x = 107,096,441.40

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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.