Home / 90,911,376.40-136,367,064.60-63,648,453.10

Finding the Fourth Proportional to 90,911,376.40, 136,367,064.60 and 63,648,453.10

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Solution

The fourth proportional to 90,911,376.40, 136,367,064.60 and 63,648,453.10 is: 95,472,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,911,376.40 : 136,367,064.60 = 63,648,453.10 : x
  2. Step 2: Convert to fraction form
    90,911,376.40/136,367,064.60 = 63,648,453.10/x
  3. Step 3: Cross multiply
    90,911,376.40x = 136,367,064.60 × 63,648,453.10
  4. Step 4: Simplify right side
    90,911,376.40x = 8,679,552,715,577,770
  5. Step 5: Solve for x
    x = 8,679,552,715,577,770/90,911,376.40
  6. Step 6: Final answer
    x = 95,472,679.65

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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.