Home / 158,077,247.44-218,169,419.66-91,083,374.67

Finding the Fourth Proportional to 158,077,247.44, 218,169,419.66 and 91,083,374.67

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Solution

The fourth proportional to 158,077,247.44, 218,169,419.66 and 91,083,374.67 is: 125,708,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,077,247.44 : 218,169,419.66 = 91,083,374.67 : x
  2. Step 2: Convert to fraction form
    158,077,247.44/218,169,419.66 = 91,083,374.67/x
  3. Step 3: Cross multiply
    158,077,247.44x = 218,169,419.66 × 91,083,374.67
  4. Step 4: Simplify right side
    158,077,247.44x = 19,871,606,992,452,528
  5. Step 5: Solve for x
    x = 19,871,606,992,452,528/158,077,247.44
  6. Step 6: Final answer
    x = 125,708,204.78

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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.