Home / 101,613,749.86-140,216,856.87-57,551,954.68

Finding the Fourth Proportional to 101,613,749.86, 140,216,856.87 and 57,551,954.68

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Solution

The fourth proportional to 101,613,749.86, 140,216,856.87 and 57,551,954.68 is: 79,415,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,613,749.86 : 140,216,856.87 = 57,551,954.68 : x
  2. Step 2: Convert to fraction form
    101,613,749.86/140,216,856.87 = 57,551,954.68/x
  3. Step 3: Cross multiply
    101,613,749.86x = 140,216,856.87 × 57,551,954.68
  4. Step 4: Simplify right side
    101,613,749.86x = 8,069,754,191,954,287
  5. Step 5: Solve for x
    x = 8,069,754,191,954,287/101,613,749.86
  6. Step 6: Final answer
    x = 79,415,966.87

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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.