Home / 126,408,585.69-189,612,878.58-35,532,174.69

Finding the Fourth Proportional to 126,408,585.69, 189,612,878.58 and 35,532,174.69

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Solution

The fourth proportional to 126,408,585.69, 189,612,878.58 and 35,532,174.69 is: 53,298,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,408,585.69 : 189,612,878.58 = 35,532,174.69 : x
  2. Step 2: Convert to fraction form
    126,408,585.69/189,612,878.58 = 35,532,174.69/x
  3. Step 3: Cross multiply
    126,408,585.69x = 189,612,878.58 × 35,532,174.69
  4. Step 4: Simplify right side
    126,408,585.69x = 6,737,357,925,178,319
  5. Step 5: Solve for x
    x = 6,737,357,925,178,319/126,408,585.69
  6. Step 6: Final answer
    x = 53,298,262.05

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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.