Home / 195,689,203.88-292,895,072.40-143,860,085

Finding the Fourth Proportional to 195,689,203.88, 292,895,072.40 and 143,860,085

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Solution

The fourth proportional to 195,689,203.88, 292,895,072.40 and 143,860,085 is: 215,320,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,689,203.88 : 292,895,072.40 = 143,860,085 : x
  2. Step 2: Convert to fraction form
    195,689,203.88/292,895,072.40 = 143,860,085/x
  3. Step 3: Cross multiply
    195,689,203.88x = 292,895,072.40 × 143,860,085
  4. Step 4: Simplify right side
    195,689,203.88x = 42,135,910,011,545,152
  5. Step 5: Solve for x
    x = 42,135,910,011,545,152/195,689,203.88
  6. Step 6: Final answer
    x = 215,320,565.35

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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.