Home / 112,666,817.24-155,402,579.73-79,247,175.94

Finding the Fourth Proportional to 112,666,817.24, 155,402,579.73 and 79,247,175.94

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Solution

The fourth proportional to 112,666,817.24, 155,402,579.73 and 79,247,175.94 is: 109,306,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,666,817.24 : 155,402,579.73 = 79,247,175.94 : x
  2. Step 2: Convert to fraction form
    112,666,817.24/155,402,579.73 = 79,247,175.94/x
  3. Step 3: Cross multiply
    112,666,817.24x = 155,402,579.73 × 79,247,175.94
  4. Step 4: Simplify right side
    112,666,817.24x = 12,315,215,577,393,186
  5. Step 5: Solve for x
    x = 12,315,215,577,393,186/112,666,817.24
  6. Step 6: Final answer
    x = 109,306,501.05

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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.