Home / 41,306,710,791.50-61,972,711,266.12-21,152,406,640.16

Finding the Fourth Proportional to 41,306,710,791.50, 61,972,711,266.12 and 21,152,406,640.16

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Solution

The fourth proportional to 41,306,710,791.50, 61,972,711,266.12 and 21,152,406,640.16 is: 31,735,085,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,306,710,791.50 : 61,972,711,266.12 = 21,152,406,640.16 : x
  2. Step 2: Convert to fraction form
    41,306,710,791.50/61,972,711,266.12 = 21,152,406,640.16/x
  3. Step 3: Cross multiply
    41,306,710,791.50x = 61,972,711,266.12 × 21,152,406,640.16
  4. Step 4: Simplify right side
    41,306,710,791.50x = 1,310,871,989,294,213,103,616
  5. Step 5: Solve for x
    x = 1,310,871,989,294,213,103,616/41,306,710,791.50
  6. Step 6: Final answer
    x = 31,735,085,272.49

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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.