Home / 55,766,156.11-76,953,921.85-30,985,495.63

Finding the Fourth Proportional to 55,766,156.11, 76,953,921.85 and 30,985,495.63

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Solution

The fourth proportional to 55,766,156.11, 76,953,921.85 and 30,985,495.63 is: 42,758,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766,156.11 : 76,953,921.85 = 30,985,495.63 : x
  2. Step 2: Convert to fraction form
    55,766,156.11/76,953,921.85 = 30,985,495.63/x
  3. Step 3: Cross multiply
    55,766,156.11x = 76,953,921.85 × 30,985,495.63
  4. Step 4: Simplify right side
    55,766,156.11x = 2,384,455,409,299,456
  5. Step 5: Solve for x
    x = 2,384,455,409,299,456/55,766,156.11
  6. Step 6: Final answer
    x = 42,758,109.50

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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.