Home / 100,356,203.57-138,233,519.74-70,936,958.41

Finding the Fourth Proportional to 100,356,203.57, 138,233,519.74 and 70,936,958.41

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Solution

The fourth proportional to 100,356,203.57, 138,233,519.74 and 70,936,958.41 is: 97,710,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,356,203.57 : 138,233,519.74 = 70,936,958.41 : x
  2. Step 2: Convert to fraction form
    100,356,203.57/138,233,519.74 = 70,936,958.41/x
  3. Step 3: Cross multiply
    100,356,203.57x = 138,233,519.74 × 70,936,958.41
  4. Step 4: Simplify right side
    100,356,203.57x = 9,805,865,440,141,368
  5. Step 5: Solve for x
    x = 9,805,865,440,141,368/100,356,203.57
  6. Step 6: Final answer
    x = 97,710,605.74

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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.