Home / 70,435,279.80-105,652,919.70-48,911,919.30

Finding the Fourth Proportional to 70,435,279.80, 105,652,919.70 and 48,911,919.30

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Solution

The fourth proportional to 70,435,279.80, 105,652,919.70 and 48,911,919.30 is: 73,367,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435,279.80 : 105,652,919.70 = 48,911,919.30 : x
  2. Step 2: Convert to fraction form
    70,435,279.80/105,652,919.70 = 48,911,919.30/x
  3. Step 3: Cross multiply
    70,435,279.80x = 105,652,919.70 × 48,911,919.30
  4. Step 4: Simplify right side
    70,435,279.80x = 5,167,687,082,175,780
  5. Step 5: Solve for x
    x = 5,167,687,082,175,780/70,435,279.80
  6. Step 6: Final answer
    x = 73,367,878.95

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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.