Home / 101,642,173.65-140,266,093.23-55,232,316.72

Finding the Fourth Proportional to 101,642,173.65, 140,266,093.23 and 55,232,316.72

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Solution

The fourth proportional to 101,642,173.65, 140,266,093.23 and 55,232,316.72 is: 76,220,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,642,173.65 : 140,266,093.23 = 55,232,316.72 : x
  2. Step 2: Convert to fraction form
    101,642,173.65/140,266,093.23 = 55,232,316.72/x
  3. Step 3: Cross multiply
    101,642,173.65x = 140,266,093.23 × 55,232,316.72
  4. Step 4: Simplify right side
    101,642,173.65x = 7,747,221,286,356,407
  5. Step 5: Solve for x
    x = 7,747,221,286,356,407/101,642,173.65
  6. Step 6: Final answer
    x = 76,220,539.25

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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.