Home / 61,129,130,396.45-91,735,579,986.53-21,334,905,232.02

Finding the Fourth Proportional to 61,129,130,396.45, 91,735,579,986.53 and 21,334,905,232.02

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Solution

The fourth proportional to 61,129,130,396.45, 91,735,579,986.53 and 21,334,905,232.02 is: 32,016,976,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,129,130,396.45 : 91,735,579,986.53 = 21,334,905,232.02 : x
  2. Step 2: Convert to fraction form
    61,129,130,396.45/91,735,579,986.53 = 21,334,905,232.02/x
  3. Step 3: Cross multiply
    61,129,130,396.45x = 91,735,579,986.53 × 21,334,905,232.02
  4. Step 4: Simplify right side
    61,129,130,396.45x = 1,957,169,905,416,901,230,592
  5. Step 5: Solve for x
    x = 1,957,169,905,416,901,230,592/61,129,130,396.45
  6. Step 6: Final answer
    x = 32,016,976,075.46

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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.