Home / 65,851,079.90-90,870,911.30-36,480,660.73

Finding the Fourth Proportional to 65,851,079.90, 90,870,911.30 and 36,480,660.73

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Solution

The fourth proportional to 65,851,079.90, 90,870,911.30 and 36,480,660.73 is: 50,341,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851,079.90 : 90,870,911.30 = 36,480,660.73 : x
  2. Step 2: Convert to fraction form
    65,851,079.90/90,870,911.30 = 36,480,660.73/x
  3. Step 3: Cross multiply
    65,851,079.90x = 90,870,911.30 × 36,480,660.73
  4. Step 4: Simplify right side
    65,851,079.90x = 3,315,030,885,225,247.50
  5. Step 5: Solve for x
    x = 3,315,030,885,225,247.50/65,851,079.90
  6. Step 6: Final answer
    x = 50,341,329.11

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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.