Home / 20,125,098,908.40-30,187,364,927.40-9,083,597,257.20

Finding the Fourth Proportional to 20,125,098,908.40, 30,187,364,927.40 and 9,083,597,257.20

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Solution

The fourth proportional to 20,125,098,908.40, 30,187,364,927.40 and 9,083,597,257.20 is: 13,625,267,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125,098,908.40 : 30,187,364,927.40 = 9,083,597,257.20 : x
  2. Step 2: Convert to fraction form
    20,125,098,908.40/30,187,364,927.40 = 9,083,597,257.20/x
  3. Step 3: Cross multiply
    20,125,098,908.40x = 30,187,364,927.40 × 9,083,597,257.20
  4. Step 4: Simplify right side
    20,125,098,908.40x = 274,209,865,256,626,159,616
  5. Step 5: Solve for x
    x = 274,209,865,256,626,159,616/20,125,098,908.40
  6. Step 6: Final answer
    x = 13,625,267,955.44

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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.