Home / 117,779,246.80-176,668,870.20-66,760,910.80

Finding the Fourth Proportional to 117,779,246.80, 176,668,870.20 and 66,760,910.80

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Solution

The fourth proportional to 117,779,246.80, 176,668,870.20 and 66,760,910.80 is: 100,141,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,779,246.80 : 176,668,870.20 = 66,760,910.80 : x
  2. Step 2: Convert to fraction form
    117,779,246.80/176,668,870.20 = 66,760,910.80/x
  3. Step 3: Cross multiply
    117,779,246.80x = 176,668,870.20 × 66,760,910.80
  4. Step 4: Simplify right side
    117,779,246.80x = 11,794,574,684,558,976
  5. Step 5: Solve for x
    x = 11,794,574,684,558,976/117,779,246.80
  6. Step 6: Final answer
    x = 100,141,366.20

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1.5x scale

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.