Home / 80,838,982.64-121,266,635.88-26,249,285.36

Finding the Fourth Proportional to 80,838,982.64, 121,266,635.88 and 26,249,285.36

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Solution

The fourth proportional to 80,838,982.64, 121,266,635.88 and 26,249,285.36 is: 39,376,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,838,982.64 : 121,266,635.88 = 26,249,285.36 : x
  2. Step 2: Convert to fraction form
    80,838,982.64/121,266,635.88 = 26,249,285.36/x
  3. Step 3: Cross multiply
    80,838,982.64x = 121,266,635.88 × 26,249,285.36
  4. Step 4: Simplify right side
    80,838,982.64x = 3,183,162,529,861,334.50
  5. Step 5: Solve for x
    x = 3,183,162,529,861,334.50/80,838,982.64
  6. Step 6: Final answer
    x = 39,376,578.30

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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.