Home / 71,091,064.87-98,106,032.31-39,729,637.28

Finding the Fourth Proportional to 71,091,064.87, 98,106,032.31 and 39,729,637.28

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Solution

The fourth proportional to 71,091,064.87, 98,106,032.31 and 39,729,637.28 is: 54,827,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091,064.87 : 98,106,032.31 = 39,729,637.28 : x
  2. Step 2: Convert to fraction form
    71,091,064.87/98,106,032.31 = 39,729,637.28/x
  3. Step 3: Cross multiply
    71,091,064.87x = 98,106,032.31 × 39,729,637.28
  4. Step 4: Simplify right side
    71,091,064.87x = 3,897,717,077,967,082.50
  5. Step 5: Solve for x
    x = 3,897,717,077,967,082.50/71,091,064.87
  6. Step 6: Final answer
    x = 54,827,102.18

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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.