Home / 169,205,770.24-253,809,531.26-77,025,042.64

Finding the Fourth Proportional to 169,205,770.24, 253,809,531.26 and 77,025,042.64

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Solution

The fourth proportional to 169,205,770.24, 253,809,531.26 and 77,025,042.64 is: 115,537,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205,770.24 : 253,809,531.26 = 77,025,042.64 : x
  2. Step 2: Convert to fraction form
    169,205,770.24/253,809,531.26 = 77,025,042.64/x
  3. Step 3: Cross multiply
    169,205,770.24x = 253,809,531.26 × 77,025,042.64
  4. Step 4: Simplify right side
    169,205,770.24x = 19,549,689,967,739,912
  5. Step 5: Solve for x
    x = 19,549,689,967,739,912/169,205,770.24
  6. Step 6: Final answer
    x = 115,537,962.68

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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.