Home / 129,059,623.60-193,589,435.40-118,855,956.40

Finding the Fourth Proportional to 129,059,623.60, 193,589,435.40 and 118,855,956.40

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Solution

The fourth proportional to 129,059,623.60, 193,589,435.40 and 118,855,956.40 is: 178,283,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,059,623.60 : 193,589,435.40 = 118,855,956.40 : x
  2. Step 2: Convert to fraction form
    129,059,623.60/193,589,435.40 = 118,855,956.40/x
  3. Step 3: Cross multiply
    129,059,623.60x = 193,589,435.40 × 118,855,956.40
  4. Step 4: Simplify right side
    129,059,623.60x = 23,009,257,493,403,020
  5. Step 5: Solve for x
    x = 23,009,257,493,403,020/129,059,623.60
  6. Step 6: Final answer
    x = 178,283,934.60

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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.