Home / 80,959,994.28-121,439,897.15-26,372,491.74

Finding the Fourth Proportional to 80,959,994.28, 121,439,897.15 and 26,372,491.74

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Solution

The fourth proportional to 80,959,994.28, 121,439,897.15 and 26,372,491.74 is: 39,558,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,959,994.28 : 121,439,897.15 = 26,372,491.74 : x
  2. Step 2: Convert to fraction form
    80,959,994.28/121,439,897.15 = 26,372,491.74/x
  3. Step 3: Cross multiply
    80,959,994.28x = 121,439,897.15 × 26,372,491.74
  4. Step 4: Simplify right side
    80,959,994.28x = 3,202,672,684,362,962
  5. Step 5: Solve for x
    x = 3,202,672,684,362,962/80,959,994.28
  6. Step 6: Final answer
    x = 39,558,706.90

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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.