Home / 101,346,743.04-139,768,201.80-79,025,262

Finding the Fourth Proportional to 101,346,743.04, 139,768,201.80 and 79,025,262

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Solution

The fourth proportional to 101,346,743.04, 139,768,201.80 and 79,025,262 is: 108,984,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,346,743.04 : 139,768,201.80 = 79,025,262 : x
  2. Step 2: Convert to fraction form
    101,346,743.04/139,768,201.80 = 79,025,262/x
  3. Step 3: Cross multiply
    101,346,743.04x = 139,768,201.80 × 79,025,262
  4. Step 4: Simplify right side
    101,346,743.04x = 11,045,218,766,513,872
  5. Step 5: Solve for x
    x = 11,045,218,766,513,872/101,346,743.04
  6. Step 6: Final answer
    x = 108,984,447.21

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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.