Home / 105,192,403.70-157,788,605.55-101,161,325.30

Finding the Fourth Proportional to 105,192,403.70, 157,788,605.55 and 101,161,325.30

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Solution

The fourth proportional to 105,192,403.70, 157,788,605.55 and 101,161,325.30 is: 151,741,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,403.70 : 157,788,605.55 = 101,161,325.30 : x
  2. Step 2: Convert to fraction form
    105,192,403.70/157,788,605.55 = 101,161,325.30/x
  3. Step 3: Cross multiply
    105,192,403.70x = 157,788,605.55 × 101,161,325.30
  4. Step 4: Simplify right side
    105,192,403.70x = 15,962,104,454,676,936
  5. Step 5: Solve for x
    x = 15,962,104,454,676,936/105,192,403.70
  6. Step 6: Final answer
    x = 151,741,987.95

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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.