Home / 117,516,951.40-176,275,427.10-71,532,797.80

Finding the Fourth Proportional to 117,516,951.40, 176,275,427.10 and 71,532,797.80

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Solution

The fourth proportional to 117,516,951.40, 176,275,427.10 and 71,532,797.80 is: 107,299,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516,951.40 : 176,275,427.10 = 71,532,797.80 : x
  2. Step 2: Convert to fraction form
    117,516,951.40/176,275,427.10 = 71,532,797.80/x
  3. Step 3: Cross multiply
    117,516,951.40x = 176,275,427.10 × 71,532,797.80
  4. Step 4: Simplify right side
    117,516,951.40x = 12,609,474,483,852,940
  5. Step 5: Solve for x
    x = 12,609,474,483,852,940/117,516,951.40
  6. Step 6: Final answer
    x = 107,299,196.70

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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.