Home / 169,205,750.12-253,809,501.02-77,025,022.52

Finding the Fourth Proportional to 169,205,750.12, 253,809,501.02 and 77,025,022.52

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Solution

The fourth proportional to 169,205,750.12, 253,809,501.02 and 77,025,022.52 is: 115,537,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205,750.12 : 253,809,501.02 = 77,025,022.52 : x
  2. Step 2: Convert to fraction form
    169,205,750.12/253,809,501.02 = 77,025,022.52/x
  3. Step 3: Cross multiply
    169,205,750.12x = 253,809,501.02 × 77,025,022.52
  4. Step 4: Simplify right side
    169,205,750.12x = 19,549,682,531,855,464
  5. Step 5: Solve for x
    x = 19,549,682,531,855,464/169,205,750.12
  6. Step 6: Final answer
    x = 115,537,932.48

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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.