Home / 100,605,503.03-150,908,066.19-31,523,595.12

Finding the Fourth Proportional to 100,605,503.03, 150,908,066.19 and 31,523,595.12

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Solution

The fourth proportional to 100,605,503.03, 150,908,066.19 and 31,523,595.12 is: 47,285,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605,503.03 : 150,908,066.19 = 31,523,595.12 : x
  2. Step 2: Convert to fraction form
    100,605,503.03/150,908,066.19 = 31,523,595.12/x
  3. Step 3: Cross multiply
    100,605,503.03x = 150,908,066.19 × 31,523,595.12
  4. Step 4: Simplify right side
    100,605,503.03x = 4,757,164,778,915,721
  5. Step 5: Solve for x
    x = 4,757,164,778,915,721/100,605,503.03
  6. Step 6: Final answer
    x = 47,285,333.66

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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.