Home / 107,637,969.40-161,456,954.10-39,458,001.40

Finding the Fourth Proportional to 107,637,969.40, 161,456,954.10 and 39,458,001.40

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Solution

The fourth proportional to 107,637,969.40, 161,456,954.10 and 39,458,001.40 is: 59,187,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637,969.40 : 161,456,954.10 = 39,458,001.40 : x
  2. Step 2: Convert to fraction form
    107,637,969.40/161,456,954.10 = 39,458,001.40/x
  3. Step 3: Cross multiply
    107,637,969.40x = 161,456,954.10 × 39,458,001.40
  4. Step 4: Simplify right side
    107,637,969.40x = 6,370,768,720,917,535
  5. Step 5: Solve for x
    x = 6,370,768,720,917,535/107,637,969.40
  6. Step 6: Final answer
    x = 59,187,002.10

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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.