Home / 106,315,920.33-146,715,445.98-61,670,921.66

Finding the Fourth Proportional to 106,315,920.33, 146,715,445.98 and 61,670,921.66

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Solution

The fourth proportional to 106,315,920.33, 146,715,445.98 and 61,670,921.66 is: 85,105,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315,920.33 : 146,715,445.98 = 61,670,921.66 : x
  2. Step 2: Convert to fraction form
    106,315,920.33/146,715,445.98 = 61,670,921.66/x
  3. Step 3: Cross multiply
    106,315,920.33x = 146,715,445.98 × 61,670,921.66
  4. Step 4: Simplify right side
    106,315,920.33x = 9,048,076,775,711,330
  5. Step 5: Solve for x
    x = 9,048,076,775,711,330/106,315,920.33
  6. Step 6: Final answer
    x = 85,105,567.89

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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.