Home / 61,129,130,399.45-91,735,579,991.03-21,334,905,235.02

Finding the Fourth Proportional to 61,129,130,399.45, 91,735,579,991.03 and 21,334,905,235.02

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Solution

The fourth proportional to 61,129,130,399.45, 91,735,579,991.03 and 21,334,905,235.02 is: 32,016,976,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,129,130,399.45 : 91,735,579,991.03 = 21,334,905,235.02 : x
  2. Step 2: Convert to fraction form
    61,129,130,399.45/91,735,579,991.03 = 21,334,905,235.02/x
  3. Step 3: Cross multiply
    61,129,130,399.45x = 91,735,579,991.03 × 21,334,905,235.02
  4. Step 4: Simplify right side
    61,129,130,399.45x = 1,957,169,905,788,115,222,528
  5. Step 5: Solve for x
    x = 1,957,169,905,788,115,222,528/61,129,130,399.45
  6. Step 6: Final answer
    x = 32,016,976,079.97

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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.