Home / 119,624,690.90-165,112,786.36-77,912,696.00

Finding the Fourth Proportional to 119,624,690.90, 165,112,786.36 and 77,912,696.00

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Solution

The fourth proportional to 119,624,690.90, 165,112,786.36 and 77,912,696.00 is: 107,539,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,690.90 : 165,112,786.36 = 77,912,696.00 : x
  2. Step 2: Convert to fraction form
    119,624,690.90/165,112,786.36 = 77,912,696.00/x
  3. Step 3: Cross multiply
    119,624,690.90x = 165,112,786.36 × 77,912,696.00
  4. Step 4: Simplify right side
    119,624,690.90x = 12,864,382,329,889,800
  5. Step 5: Solve for x
    x = 12,864,382,329,889,800/119,624,690.90
  6. Step 6: Final answer
    x = 107,539,524.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.