Home / 109,290,813.10-163,936,924.29-43,717,428.95

Finding the Fourth Proportional to 109,290,813.10, 163,936,924.29 and 43,717,428.95

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Solution

The fourth proportional to 109,290,813.10, 163,936,924.29 and 43,717,428.95 is: 65,576,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290,813.10 : 163,936,924.29 = 43,717,428.95 : x
  2. Step 2: Convert to fraction form
    109,290,813.10/163,936,924.29 = 43,717,428.95/x
  3. Step 3: Cross multiply
    109,290,813.10x = 163,936,924.29 × 43,717,428.95
  4. Step 4: Simplify right side
    109,290,813.10x = 7,166,900,839,109,919
  5. Step 5: Solve for x
    x = 7,166,900,839,109,919/109,290,813.10
  6. Step 6: Final answer
    x = 65,576,425.28

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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.