Home / 101,040,430.10-151,560,645.15-90,836,762.90

Finding the Fourth Proportional to 101,040,430.10, 151,560,645.15 and 90,836,762.90

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Solution

The fourth proportional to 101,040,430.10, 151,560,645.15 and 90,836,762.90 is: 136,255,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040,430.10 : 151,560,645.15 = 90,836,762.90 : x
  2. Step 2: Convert to fraction form
    101,040,430.10/151,560,645.15 = 90,836,762.90/x
  3. Step 3: Cross multiply
    101,040,430.10x = 151,560,645.15 × 90,836,762.90
  4. Step 4: Simplify right side
    101,040,430.10x = 13,767,278,388,461,586
  5. Step 5: Solve for x
    x = 13,767,278,388,461,586/101,040,430.10
  6. Step 6: Final answer
    x = 136,255,144.35

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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.