Home / 52,820,473.03-72,890,846.31-30,492,705.53

Finding the Fourth Proportional to 52,820,473.03, 72,890,846.31 and 30,492,705.53

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Solution

The fourth proportional to 52,820,473.03, 72,890,846.31 and 30,492,705.53 is: 42,079,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820,473.03 : 72,890,846.31 = 30,492,705.53 : x
  2. Step 2: Convert to fraction form
    52,820,473.03/72,890,846.31 = 30,492,705.53/x
  3. Step 3: Cross multiply
    52,820,473.03x = 72,890,846.31 × 30,492,705.53
  4. Step 4: Simplify right side
    52,820,473.03x = 2,222,639,112,363,317.25
  5. Step 5: Solve for x
    x = 2,222,639,112,363,317.25/52,820,473.03
  6. Step 6: Final answer
    x = 42,079,121.69

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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.