Home / 161,259,737.77-222,557,330.86-91,655,581.40

Finding the Fourth Proportional to 161,259,737.77, 222,557,330.86 and 91,655,581.40

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Solution

The fourth proportional to 161,259,737.77, 222,557,330.86 and 91,655,581.40 is: 126,495,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,259,737.77 : 222,557,330.86 = 91,655,581.40 : x
  2. Step 2: Convert to fraction form
    161,259,737.77/222,557,330.86 = 91,655,581.40/x
  3. Step 3: Cross multiply
    161,259,737.77x = 222,557,330.86 × 91,655,581.40
  4. Step 4: Simplify right side
    161,259,737.77x = 20,398,621,554,298,128
  5. Step 5: Solve for x
    x = 20,398,621,554,298,128/161,259,737.77
  6. Step 6: Final answer
    x = 126,495,440.44

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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.