Home / 117,954,400.80-162,777,828.78-65,746,746.93

Finding the Fourth Proportional to 117,954,400.80, 162,777,828.78 and 65,746,746.93

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Solution

The fourth proportional to 117,954,400.80, 162,777,828.78 and 65,746,746.93 is: 90,730,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,400.80 : 162,777,828.78 = 65,746,746.93 : x
  2. Step 2: Convert to fraction form
    117,954,400.80/162,777,828.78 = 65,746,746.93/x
  3. Step 3: Cross multiply
    117,954,400.80x = 162,777,828.78 × 65,746,746.93
  4. Step 4: Simplify right side
    117,954,400.80x = 10,702,112,714,613,530
  5. Step 5: Solve for x
    x = 10,702,112,714,613,530/117,954,400.80
  6. Step 6: Final answer
    x = 90,730,931.97

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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.