Home / 129,033,065.70-193,423,627.35-115,428,176.10

Finding the Fourth Proportional to 129,033,065.70, 193,423,627.35 and 115,428,176.10

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Solution

The fourth proportional to 129,033,065.70, 193,423,627.35 and 115,428,176.10 is: 173,029,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,065.70 : 193,423,627.35 = 115,428,176.10 : x
  2. Step 2: Convert to fraction form
    129,033,065.70/193,423,627.35 = 115,428,176.10/x
  3. Step 3: Cross multiply
    129,033,065.70x = 193,423,627.35 × 115,428,176.10
  4. Step 4: Simplify right side
    129,033,065.70x = 22,326,536,519,656,576
  5. Step 5: Solve for x
    x = 22,326,536,519,656,576/129,033,065.70
  6. Step 6: Final answer
    x = 173,029,575.00

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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.