Home / 262,008,052.80-393,012,079.20-89,459,001.60

Finding the Fourth Proportional to 262,008,052.80, 393,012,079.20 and 89,459,001.60

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Solution

The fourth proportional to 262,008,052.80, 393,012,079.20 and 89,459,001.60 is: 134,188,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,008,052.80 : 393,012,079.20 = 89,459,001.60 : x
  2. Step 2: Convert to fraction form
    262,008,052.80/393,012,079.20 = 89,459,001.60/x
  3. Step 3: Cross multiply
    262,008,052.80x = 393,012,079.20 × 89,459,001.60
  4. Step 4: Simplify right side
    262,008,052.80x = 35,158,468,221,972,124
  5. Step 5: Solve for x
    x = 35,158,468,221,972,124/262,008,052.80
  6. Step 6: Final answer
    x = 134,188,502.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.