Home / 68,763,261-94,891,438.80-38,999,367.90

Finding the Fourth Proportional to 68,763,261, 94,891,438.80 and 38,999,367.90

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Solution

The fourth proportional to 68,763,261, 94,891,438.80 and 38,999,367.90 is: 53,818,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,763,261 : 94,891,438.80 = 38,999,367.90 : x
  2. Step 2: Convert to fraction form
    68,763,261/94,891,438.80 = 38,999,367.90/x
  3. Step 3: Cross multiply
    68,763,261x = 94,891,438.80 × 38,999,367.90
  4. Step 4: Simplify right side
    68,763,261x = 3,700,706,132,321,534.50
  5. Step 5: Solve for x
    x = 3,700,706,132,321,534.50/68,763,261
  6. Step 6: Final answer
    x = 53,818,072.01

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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.