Home / 100,205,160.90-150,307,741.35-77,502,351.30

Finding the Fourth Proportional to 100,205,160.90, 150,307,741.35 and 77,502,351.30

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Solution

The fourth proportional to 100,205,160.90, 150,307,741.35 and 77,502,351.30 is: 116,253,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,205,160.90 : 150,307,741.35 = 77,502,351.30 : x
  2. Step 2: Convert to fraction form
    100,205,160.90/150,307,741.35 = 77,502,351.30/x
  3. Step 3: Cross multiply
    100,205,160.90x = 150,307,741.35 × 77,502,351.30
  4. Step 4: Simplify right side
    100,205,160.90x = 11,649,203,373,217,236
  5. Step 5: Solve for x
    x = 11,649,203,373,217,236/100,205,160.90
  6. Step 6: Final answer
    x = 116,253,526.95

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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.