Home / 158,451,426.81-237,677,960.34-72,129,465.18

Finding the Fourth Proportional to 158,451,426.81, 237,677,960.34 and 72,129,465.18

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Solution

The fourth proportional to 158,451,426.81, 237,677,960.34 and 72,129,465.18 is: 108,194,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,451,426.81 : 237,677,960.34 = 72,129,465.18 : x
  2. Step 2: Convert to fraction form
    158,451,426.81/237,677,960.34 = 72,129,465.18/x
  3. Step 3: Cross multiply
    158,451,426.81x = 237,677,960.34 × 72,129,465.18
  4. Step 4: Simplify right side
    158,451,426.81x = 17,143,584,164,397,452
  5. Step 5: Solve for x
    x = 17,143,584,164,397,452/158,451,426.81
  6. Step 6: Final answer
    x = 108,194,571.10

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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.