Home / 69,958,400-104,933,817.18-21,436,397.40

Finding the Fourth Proportional to 69,958,400, 104,933,817.18 and 21,436,397.40

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Solution

The fourth proportional to 69,958,400, 104,933,817.18 and 21,436,397.40 is: 32,153,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958,400 : 104,933,817.18 = 21,436,397.40 : x
  2. Step 2: Convert to fraction form
    69,958,400/104,933,817.18 = 21,436,397.40/x
  3. Step 3: Cross multiply
    69,958,400x = 104,933,817.18 × 21,436,397.40
  4. Step 4: Simplify right side
    69,958,400x = 2,249,403,005,769,427.25
  5. Step 5: Solve for x
    x = 2,249,403,005,769,427.25/69,958,400
  6. Step 6: Final answer
    x = 32,153,436.98

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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.