Home / 71,032,406,111.68-98,012,261,732.80-40,534,665,217.60

Finding the Fourth Proportional to 71,032,406,111.68, 98,012,261,732.80 and 40,534,665,217.60

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Solution

The fourth proportional to 71,032,406,111.68, 98,012,261,732.80 and 40,534,665,217.60 is: 55,930,728,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032,406,111.68 : 98,012,261,732.80 = 40,534,665,217.60 : x
  2. Step 2: Convert to fraction form
    71,032,406,111.68/98,012,261,732.80 = 40,534,665,217.60/x
  3. Step 3: Cross multiply
    71,032,406,111.68x = 98,012,261,732.80 × 40,534,665,217.60
  4. Step 4: Simplify right side
    71,032,406,111.68x = 3,972,894,216,558,835,400,704
  5. Step 5: Solve for x
    x = 3,972,894,216,558,835,400,704/71,032,406,111.68
  6. Step 6: Final answer
    x = 55,930,728,438.40

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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.