Home / 147,217,455.30-203,168,077.83-84,493,051.86

Finding the Fourth Proportional to 147,217,455.30, 203,168,077.83 and 84,493,051.86

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Solution

The fourth proportional to 147,217,455.30, 203,168,077.83 and 84,493,051.86 is: 116,604,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217,455.30 : 203,168,077.83 = 84,493,051.86 : x
  2. Step 2: Convert to fraction form
    147,217,455.30/203,168,077.83 = 84,493,051.86/x
  3. Step 3: Cross multiply
    147,217,455.30x = 203,168,077.83 × 84,493,051.86
  4. Step 4: Simplify right side
    147,217,455.30x = 17,166,290,936,386,708
  5. Step 5: Solve for x
    x = 17,166,290,936,386,708/147,217,455.30
  6. Step 6: Final answer
    x = 116,604,997.02

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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.