Home / 143,337,632,518.91-215,034,772,438.38-52,579,891,440.34

Finding the Fourth Proportional to 143,337,632,518.91, 215,034,772,438.38 and 52,579,891,440.34

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Solution

The fourth proportional to 143,337,632,518.91, 215,034,772,438.38 and 52,579,891,440.34 is: 78,880,226,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337,632,518.91 : 215,034,772,438.38 = 52,579,891,440.34 : x
  2. Step 2: Convert to fraction form
    143,337,632,518.91/215,034,772,438.38 = 52,579,891,440.34/x
  3. Step 3: Cross multiply
    143,337,632,518.91x = 215,034,772,438.38 × 52,579,891,440.34
  4. Step 4: Simplify right side
    143,337,632,518.91x = 11,306,504,990,708,234,977,280
  5. Step 5: Solve for x
    x = 11,306,504,990,708,234,977,280/143,337,632,518.91
  6. Step 6: Final answer
    x = 78,880,226,999.82

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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.