Home / 69,011,671.80-103,429,590.30-36,679,063.80

Finding the Fourth Proportional to 69,011,671.80, 103,429,590.30 and 36,679,063.80

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Solution

The fourth proportional to 69,011,671.80, 103,429,590.30 and 36,679,063.80 is: 54,971,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011,671.80 : 103,429,590.30 = 36,679,063.80 : x
  2. Step 2: Convert to fraction form
    69,011,671.80/103,429,590.30 = 36,679,063.80/x
  3. Step 3: Cross multiply
    69,011,671.80x = 103,429,590.30 × 36,679,063.80
  4. Step 4: Simplify right side
    69,011,671.80x = 3,793,700,541,421,560.50
  5. Step 5: Solve for x
    x = 3,793,700,541,421,560.50/69,011,671.80
  6. Step 6: Final answer
    x = 54,971,868.42

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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.