Home / 107,428,878.14-161,127,127.40-68,837,012.34

Finding the Fourth Proportional to 107,428,878.14, 161,127,127.40 and 68,837,012.34

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Solution

The fourth proportional to 107,428,878.14, 161,127,127.40 and 68,837,012.34 is: 103,245,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,878.14 : 161,127,127.40 = 68,837,012.34 : x
  2. Step 2: Convert to fraction form
    107,428,878.14/161,127,127.40 = 68,837,012.34/x
  3. Step 3: Cross multiply
    107,428,878.14x = 161,127,127.40 × 68,837,012.34
  4. Step 4: Simplify right side
    107,428,878.14x = 11,091,510,056,798,368
  5. Step 5: Solve for x
    x = 11,091,510,056,798,368/107,428,878.14
  6. Step 6: Final answer
    x = 103,245,144.60

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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.