Home / 117,035,249.78-161,508,641.75-64,827,648.47

Finding the Fourth Proportional to 117,035,249.78, 161,508,641.75 and 64,827,648.47

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Solution

The fourth proportional to 117,035,249.78, 161,508,641.75 and 64,827,648.47 is: 89,462,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,035,249.78 : 161,508,641.75 = 64,827,648.47 : x
  2. Step 2: Convert to fraction form
    117,035,249.78/161,508,641.75 = 64,827,648.47/x
  3. Step 3: Cross multiply
    117,035,249.78x = 161,508,641.75 × 64,827,648.47
  4. Step 4: Simplify right side
    117,035,249.78x = 10,470,225,452,558,902
  5. Step 5: Solve for x
    x = 10,470,225,452,558,902/117,035,249.78
  6. Step 6: Final answer
    x = 89,462,153.26

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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.