Home / 90,235,990.44-124,525,824.78-48,982,910.76

Finding the Fourth Proportional to 90,235,990.44, 124,525,824.78 and 48,982,910.76

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Solution

The fourth proportional to 90,235,990.44, 124,525,824.78 and 48,982,910.76 is: 67,596,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235,990.44 : 124,525,824.78 = 48,982,910.76 : x
  2. Step 2: Convert to fraction form
    90,235,990.44/124,525,824.78 = 48,982,910.76/x
  3. Step 3: Cross multiply
    90,235,990.44x = 124,525,824.78 × 48,982,910.76
  4. Step 4: Simplify right side
    90,235,990.44x = 6,099,637,362,514,136
  5. Step 5: Solve for x
    x = 6,099,637,362,514,136/90,235,990.44
  6. Step 6: Final answer
    x = 67,596,502.60

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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.