Home / 201,854,311.02-278,559,071.27-109,034,859.87

Finding the Fourth Proportional to 201,854,311.02, 278,559,071.27 and 109,034,859.87

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Solution

The fourth proportional to 201,854,311.02, 278,559,071.27 and 109,034,859.87 is: 150,468,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,854,311.02 : 278,559,071.27 = 109,034,859.87 : x
  2. Step 2: Convert to fraction form
    201,854,311.02/278,559,071.27 = 109,034,859.87/x
  3. Step 3: Cross multiply
    201,854,311.02x = 278,559,071.27 × 109,034,859.87
  4. Step 4: Simplify right side
    201,854,311.02x = 30,372,649,301,441,792
  5. Step 5: Solve for x
    x = 30,372,649,301,441,792/201,854,311.02
  6. Step 6: Final answer
    x = 150,468,172.55

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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.