Home / 117,157,075.59-161,676,760.82-64,945,978.95

Finding the Fourth Proportional to 117,157,075.59, 161,676,760.82 and 64,945,978.95

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Solution

The fourth proportional to 117,157,075.59, 161,676,760.82 and 64,945,978.95 is: 89,625,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,157,075.59 : 161,676,760.82 = 64,945,978.95 : x
  2. Step 2: Convert to fraction form
    117,157,075.59/161,676,760.82 = 64,945,978.95/x
  3. Step 3: Cross multiply
    117,157,075.59x = 161,676,760.82 × 64,945,978.95
  4. Step 4: Simplify right side
    117,157,075.59x = 10,500,255,504,595,176
  5. Step 5: Solve for x
    x = 10,500,255,504,595,176/117,157,075.59
  6. Step 6: Final answer
    x = 89,625,449.01

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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.