Home / 100,255,054.74-150,353,408.15-38,830,513.47

Finding the Fourth Proportional to 100,255,054.74, 150,353,408.15 and 38,830,513.47

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Solution

The fourth proportional to 100,255,054.74, 150,353,408.15 and 38,830,513.47 is: 58,234,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,255,054.74 : 150,353,408.15 = 38,830,513.47 : x
  2. Step 2: Convert to fraction form
    100,255,054.74/150,353,408.15 = 38,830,513.47/x
  3. Step 3: Cross multiply
    100,255,054.74x = 150,353,408.15 × 38,830,513.47
  4. Step 4: Simplify right side
    100,255,054.74x = 5,838,300,040,191,731
  5. Step 5: Solve for x
    x = 5,838,300,040,191,731/100,255,054.74
  6. Step 6: Final answer
    x = 58,234,470.63

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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.