Home / 143,384,826,022.98-197,871,352,946.19-79,155,638,680.02

Finding the Fourth Proportional to 143,384,826,022.98, 197,871,352,946.19 and 79,155,638,680.02

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Solution

The fourth proportional to 143,384,826,022.98, 197,871,352,946.19 and 79,155,638,680.02 is: 109,234,943,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,384,826,022.98 : 197,871,352,946.19 = 79,155,638,680.02 : x
  2. Step 2: Convert to fraction form
    143,384,826,022.98/197,871,352,946.19 = 79,155,638,680.02/x
  3. Step 3: Cross multiply
    143,384,826,022.98x = 197,871,352,946.19 × 79,155,638,680.02
  4. Step 4: Simplify right side
    143,384,826,022.98x = 15,662,633,318,935,328,456,704
  5. Step 5: Solve for x
    x = 15,662,633,318,935,328,456,704/143,384,826,022.98
  6. Step 6: Final answer
    x = 109,234,943,148.20

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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.