Home / 71,032,406,113.18-98,012,261,734.87-40,534,665,219.10

Finding the Fourth Proportional to 71,032,406,113.18, 98,012,261,734.87 and 40,534,665,219.10

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Solution

The fourth proportional to 71,032,406,113.18, 98,012,261,734.87 and 40,534,665,219.10 is: 55,930,728,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032,406,113.18 : 98,012,261,734.87 = 40,534,665,219.10 : x
  2. Step 2: Convert to fraction form
    71,032,406,113.18/98,012,261,734.87 = 40,534,665,219.10/x
  3. Step 3: Cross multiply
    71,032,406,113.18x = 98,012,261,734.87 × 40,534,665,219.10
  4. Step 4: Simplify right side
    71,032,406,113.18x = 3,972,894,216,789,760,671,744
  5. Step 5: Solve for x
    x = 3,972,894,216,789,760,671,744/71,032,406,113.18
  6. Step 6: Final answer
    x = 55,930,728,440.47

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Double scale
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1.5x scale

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.