Home / 90,922,734-136,437,909.12-33,455,361.48

Finding the Fourth Proportional to 90,922,734, 136,437,909.12 and 33,455,361.48

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Solution

The fourth proportional to 90,922,734, 136,437,909.12 and 33,455,361.48 is: 50,202,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922,734 : 136,437,909.12 = 33,455,361.48 : x
  2. Step 2: Convert to fraction form
    90,922,734/136,437,909.12 = 33,455,361.48/x
  3. Step 3: Cross multiply
    90,922,734x = 136,437,909.12 × 33,455,361.48
  4. Step 4: Simplify right side
    90,922,734x = 4,564,579,569,184,989
  5. Step 5: Solve for x
    x = 4,564,579,569,184,989/90,922,734
  6. Step 6: Final answer
    x = 50,202,841.12

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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.