Home / 107,768,064.90-161,754,296.47-66,703,287.14

Finding the Fourth Proportional to 107,768,064.90, 161,754,296.47 and 66,703,287.14

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Solution

The fourth proportional to 107,768,064.90, 161,754,296.47 and 66,703,287.14 is: 100,118,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768,064.90 : 161,754,296.47 = 66,703,287.14 : x
  2. Step 2: Convert to fraction form
    107,768,064.90/161,754,296.47 = 66,703,287.14/x
  3. Step 3: Cross multiply
    107,768,064.90x = 161,754,296.47 × 66,703,287.14
  4. Step 4: Simplify right side
    107,768,064.90x = 10,789,543,282,424,810
  5. Step 5: Solve for x
    x = 10,789,543,282,424,810/107,768,064.90
  6. Step 6: Final answer
    x = 100,118,187.08

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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.