Home / 147,217,456.30-203,168,079.21-84,493,052.86

Finding the Fourth Proportional to 147,217,456.30, 203,168,079.21 and 84,493,052.86

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Solution

The fourth proportional to 147,217,456.30, 203,168,079.21 and 84,493,052.86 is: 116,604,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217,456.30 : 203,168,079.21 = 84,493,052.86 : x
  2. Step 2: Convert to fraction form
    147,217,456.30/203,168,079.21 = 84,493,052.86/x
  3. Step 3: Cross multiply
    147,217,456.30x = 203,168,079.21 × 84,493,052.86
  4. Step 4: Simplify right side
    147,217,456.30x = 17,166,291,256,155,198
  5. Step 5: Solve for x
    x = 17,166,291,256,155,198/147,217,456.30
  6. Step 6: Final answer
    x = 116,604,998.40

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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.