Home / 72,393,944,158.11-99,917,474,602.80-47,936,216,075.43

Finding the Fourth Proportional to 72,393,944,158.11, 99,917,474,602.80 and 47,936,216,075.43

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Solution

The fourth proportional to 72,393,944,158.11, 99,917,474,602.80 and 47,936,216,075.43 is: 66,161,136,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,944,158.11 : 99,917,474,602.80 = 47,936,216,075.43 : x
  2. Step 2: Convert to fraction form
    72,393,944,158.11/99,917,474,602.80 = 47,936,216,075.43/x
  3. Step 3: Cross multiply
    72,393,944,158.11x = 99,917,474,602.80 × 47,936,216,075.43
  4. Step 4: Simplify right side
    72,393,944,158.11x = 4,789,665,652,271,110,684,672
  5. Step 5: Solve for x
    x = 4,789,665,652,271,110,684,672/72,393,944,158.11
  6. Step 6: Final answer
    x = 66,161,136,928.95

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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.