Home / 69,581,611.50-96,019,993.08-38,643,773.70

Finding the Fourth Proportional to 69,581,611.50, 96,019,993.08 and 38,643,773.70

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Solution

The fourth proportional to 69,581,611.50, 96,019,993.08 and 38,643,773.70 is: 53,326,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,611.50 : 96,019,993.08 = 38,643,773.70 : x
  2. Step 2: Convert to fraction form
    69,581,611.50/96,019,993.08 = 38,643,773.70/x
  3. Step 3: Cross multiply
    69,581,611.50x = 96,019,993.08 × 38,643,773.70
  4. Step 4: Simplify right side
    69,581,611.50x = 3,710,574,883,259,086
  5. Step 5: Solve for x
    x = 3,710,574,883,259,086/69,581,611.50
  6. Step 6: Final answer
    x = 53,326,946.64

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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.