Home / 71,338,426.12-98,447,606.58-38,743,611.40

Finding the Fourth Proportional to 71,338,426.12, 98,447,606.58 and 38,743,611.40

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Solution

The fourth proportional to 71,338,426.12, 98,447,606.58 and 38,743,611.40 is: 53,466,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,338,426.12 : 98,447,606.58 = 38,743,611.40 : x
  2. Step 2: Convert to fraction form
    71,338,426.12/98,447,606.58 = 38,743,611.40/x
  3. Step 3: Cross multiply
    71,338,426.12x = 98,447,606.58 × 38,743,611.40
  4. Step 4: Simplify right side
    71,338,426.12x = 3,814,215,812,595,603
  5. Step 5: Solve for x
    x = 3,814,215,812,595,603/71,338,426.12
  6. Step 6: Final answer
    x = 53,466,497.93

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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.