Home / 219,827,294.28-303,347,868.48-120,707,347.77

Finding the Fourth Proportional to 219,827,294.28, 303,347,868.48 and 120,707,347.77

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Solution

The fourth proportional to 219,827,294.28, 303,347,868.48 and 120,707,347.77 is: 166,568,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,827,294.28 : 303,347,868.48 = 120,707,347.77 : x
  2. Step 2: Convert to fraction form
    219,827,294.28/303,347,868.48 = 120,707,347.77/x
  3. Step 3: Cross multiply
    219,827,294.28x = 303,347,868.48 × 120,707,347.77
  4. Step 4: Simplify right side
    219,827,294.28x = 36,616,316,655,903,584
  5. Step 5: Solve for x
    x = 36,616,316,655,903,584/219,827,294.28
  6. Step 6: Final answer
    x = 166,568,563.63

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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.