Home / 117,769,510.23-162,514,094.22-65,557,203.45

Finding the Fourth Proportional to 117,769,510.23, 162,514,094.22 and 65,557,203.45

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Solution

The fourth proportional to 117,769,510.23, 162,514,094.22 and 65,557,203.45 is: 90,464,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769,510.23 : 162,514,094.22 = 65,557,203.45 : x
  2. Step 2: Convert to fraction form
    117,769,510.23/162,514,094.22 = 65,557,203.45/x
  3. Step 3: Cross multiply
    117,769,510.23x = 162,514,094.22 × 65,557,203.45
  4. Step 4: Simplify right side
    117,769,510.23x = 10,653,969,538,273,010
  5. Step 5: Solve for x
    x = 10,653,969,538,273,010/117,769,510.23
  6. Step 6: Final answer
    x = 90,464,582.20

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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.