Home / 79,826,115,681.88-110,152,504,170.28-47,705,082,965.08

Finding the Fourth Proportional to 79,826,115,681.88, 110,152,504,170.28 and 47,705,082,965.08

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Solution

The fourth proportional to 79,826,115,681.88, 110,152,504,170.28 and 47,705,082,965.08 is: 65,828,511,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,826,115,681.88 : 110,152,504,170.28 = 47,705,082,965.08 : x
  2. Step 2: Convert to fraction form
    79,826,115,681.88/110,152,504,170.28 = 47,705,082,965.08/x
  3. Step 3: Cross multiply
    79,826,115,681.88x = 110,152,504,170.28 × 47,705,082,965.08
  4. Step 4: Simplify right side
    79,826,115,681.88x = 5,254,834,350,254,528,135,168
  5. Step 5: Solve for x
    x = 5,254,834,350,254,528,135,168/79,826,115,681.88
  6. Step 6: Final answer
    x = 65,828,511,200.47

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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.