Home / 220,267,061.44-303,977,217.76-121,157,030.81

Finding the Fourth Proportional to 220,267,061.44, 303,977,217.76 and 121,157,030.81

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Solution

The fourth proportional to 220,267,061.44, 303,977,217.76 and 121,157,030.81 is: 167,201,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,267,061.44 : 303,977,217.76 = 121,157,030.81 : x
  2. Step 2: Convert to fraction form
    220,267,061.44/303,977,217.76 = 121,157,030.81/x
  3. Step 3: Cross multiply
    220,267,061.44x = 303,977,217.76 × 121,157,030.81
  4. Step 4: Simplify right side
    220,267,061.44x = 36,828,977,138,143,448
  5. Step 5: Solve for x
    x = 36,828,977,138,143,448/220,267,061.44
  6. Step 6: Final answer
    x = 167,201,473.06

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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.