Home / 106,856,285.40-160,284,428.10-72,844,061.40

Finding the Fourth Proportional to 106,856,285.40, 160,284,428.10 and 72,844,061.40

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Solution

The fourth proportional to 106,856,285.40, 160,284,428.10 and 72,844,061.40 is: 109,266,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,856,285.40 : 160,284,428.10 = 72,844,061.40 : x
  2. Step 2: Convert to fraction form
    106,856,285.40/160,284,428.10 = 72,844,061.40/x
  3. Step 3: Cross multiply
    106,856,285.40x = 160,284,428.10 × 72,844,061.40
  4. Step 4: Simplify right side
    106,856,285.40x = 11,675,768,721,980,286
  5. Step 5: Solve for x
    x = 11,675,768,721,980,286/106,856,285.40
  6. Step 6: Final answer
    x = 109,266,092.10

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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.