Home / 118,104,078.30-177,156,117.45-66,235,436.70

Finding the Fourth Proportional to 118,104,078.30, 177,156,117.45 and 66,235,436.70

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Solution

The fourth proportional to 118,104,078.30, 177,156,117.45 and 66,235,436.70 is: 99,353,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104,078.30 : 177,156,117.45 = 66,235,436.70 : x
  2. Step 2: Convert to fraction form
    118,104,078.30/177,156,117.45 = 66,235,436.70/x
  3. Step 3: Cross multiply
    118,104,078.30x = 177,156,117.45 × 66,235,436.70
  4. Step 4: Simplify right side
    118,104,078.30x = 11,734,012,803,377,240
  5. Step 5: Solve for x
    x = 11,734,012,803,377,240/118,104,078.30
  6. Step 6: Final answer
    x = 99,353,155.05

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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.