Home / 158,807,651.79-238,008,566.46-128,116,704.41

Finding the Fourth Proportional to 158,807,651.79, 238,008,566.46 and 128,116,704.41

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Solution

The fourth proportional to 158,807,651.79, 238,008,566.46 and 128,116,704.41 is: 192,011,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,807,651.79 : 238,008,566.46 = 128,116,704.41 : x
  2. Step 2: Convert to fraction form
    158,807,651.79/238,008,566.46 = 128,116,704.41/x
  3. Step 3: Cross multiply
    158,807,651.79x = 238,008,566.46 × 128,116,704.41
  4. Step 4: Simplify right side
    158,807,651.79x = 30,492,873,156,386,588
  5. Step 5: Solve for x
    x = 30,492,873,156,386,588/158,807,651.79
  6. Step 6: Final answer
    x = 192,011,359.73

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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.