Home / 65,222,509.50-90,008,200.35-35,855,079.84

Finding the Fourth Proportional to 65,222,509.50, 90,008,200.35 and 35,855,079.84

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Solution

The fourth proportional to 65,222,509.50, 90,008,200.35 and 35,855,079.84 is: 49,480,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222,509.50 : 90,008,200.35 = 35,855,079.84 : x
  2. Step 2: Convert to fraction form
    65,222,509.50/90,008,200.35 = 35,855,079.84/x
  3. Step 3: Cross multiply
    65,222,509.50x = 90,008,200.35 × 35,855,079.84
  4. Step 4: Simplify right side
    65,222,509.50x = 3,227,251,209,803,966
  5. Step 5: Solve for x
    x = 3,227,251,209,803,966/65,222,509.50
  6. Step 6: Final answer
    x = 49,480,635.36

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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.