Home / 169,634,753.92-254,216,718.96-77,292,820.54

Finding the Fourth Proportional to 169,634,753.92, 254,216,718.96 and 77,292,820.54

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Solution

The fourth proportional to 169,634,753.92, 254,216,718.96 and 77,292,820.54 is: 115,831,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,634,753.92 : 254,216,718.96 = 77,292,820.54 : x
  2. Step 2: Convert to fraction form
    169,634,753.92/254,216,718.96 = 77,292,820.54/x
  3. Step 3: Cross multiply
    169,634,753.92x = 254,216,718.96 × 77,292,820.54
  4. Step 4: Simplify right side
    169,634,753.92x = 19,649,127,236,842,896
  5. Step 5: Solve for x
    x = 19,649,127,236,842,896/169,634,753.92
  6. Step 6: Final answer
    x = 115,831,967.11

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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.