Home / 118,873,598.28-178,328,114.54-42,190,204.92

Finding the Fourth Proportional to 118,873,598.28, 178,328,114.54 and 42,190,204.92

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Solution

The fourth proportional to 118,873,598.28, 178,328,114.54 and 42,190,204.92 is: 63,291,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,873,598.28 : 178,328,114.54 = 42,190,204.92 : x
  2. Step 2: Convert to fraction form
    118,873,598.28/178,328,114.54 = 42,190,204.92/x
  3. Step 3: Cross multiply
    118,873,598.28x = 178,328,114.54 × 42,190,204.92
  4. Step 4: Simplify right side
    118,873,598.28x = 7,523,699,695,439,832
  5. Step 5: Solve for x
    x = 7,523,699,695,439,832/118,873,598.28
  6. Step 6: Final answer
    x = 63,291,595.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.