Home / 169,205,775.48-253,809,538.92-77,025,047.76

Finding the Fourth Proportional to 169,205,775.48, 253,809,538.92 and 77,025,047.76

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Solution

The fourth proportional to 169,205,775.48, 253,809,538.92 and 77,025,047.76 is: 115,537,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205,775.48 : 253,809,538.92 = 77,025,047.76 : x
  2. Step 2: Convert to fraction form
    169,205,775.48/253,809,538.92 = 77,025,047.76/x
  3. Step 3: Cross multiply
    169,205,775.48x = 253,809,538.92 × 77,025,047.76
  4. Step 4: Simplify right side
    169,205,775.48x = 19,549,691,857,256,580
  5. Step 5: Solve for x
    x = 19,549,691,857,256,580/169,205,775.48
  6. Step 6: Final answer
    x = 115,537,970.27

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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.