Home / 65,417,085.28-90,274,338.30-36,051,132.52

Finding the Fourth Proportional to 65,417,085.28, 90,274,338.30 and 36,051,132.52

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Solution

The fourth proportional to 65,417,085.28, 90,274,338.30 and 36,051,132.52 is: 49,749,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,417,085.28 : 90,274,338.30 = 36,051,132.52 : x
  2. Step 2: Convert to fraction form
    65,417,085.28/90,274,338.30 = 36,051,132.52/x
  3. Step 3: Cross multiply
    65,417,085.28x = 90,274,338.30 × 36,051,132.52
  4. Step 4: Simplify right side
    65,417,085.28x = 3,254,492,133,208,611.50
  5. Step 5: Solve for x
    x = 3,254,492,133,208,611.50/65,417,085.28
  6. Step 6: Final answer
    x = 49,749,879.86

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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.