Home / 106,315,701.05-146,715,766.31-57,423,129.05

Finding the Fourth Proportional to 106,315,701.05, 146,715,766.31 and 57,423,129.05

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Solution

The fourth proportional to 106,315,701.05, 146,715,766.31 and 57,423,129.05 is: 79,243,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315,701.05 : 146,715,766.31 = 57,423,129.05 : x
  2. Step 2: Convert to fraction form
    106,315,701.05/146,715,766.31 = 57,423,129.05/x
  3. Step 3: Cross multiply
    106,315,701.05x = 146,715,766.31 × 57,423,129.05
  4. Step 4: Simplify right side
    106,315,701.05x = 8,424,878,381,468,079
  5. Step 5: Solve for x
    x = 8,424,878,381,468,079/106,315,701.05
  6. Step 6: Final answer
    x = 79,243,971.48

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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.