Home / 30,108,361.70-41,549,317.52-16,357,438.82

Finding the Fourth Proportional to 30,108,361.70, 41,549,317.52 and 16,357,438.82

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Solution

The fourth proportional to 30,108,361.70, 41,549,317.52 and 16,357,438.82 is: 22,573,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108,361.70 : 41,549,317.52 = 16,357,438.82 : x
  2. Step 2: Convert to fraction form
    30,108,361.70/41,549,317.52 = 16,357,438.82/x
  3. Step 3: Cross multiply
    30,108,361.70x = 41,549,317.52 × 16,357,438.82
  4. Step 4: Simplify right side
    30,108,361.70x = 679,640,419,346,154.25
  5. Step 5: Solve for x
    x = 679,640,419,346,154.25/30,108,361.70
  6. Step 6: Final answer
    x = 22,573,145.17

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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.