Home / 185,513,527.25-256,108,059.32-143,034,308.60

Finding the Fourth Proportional to 185,513,527.25, 256,108,059.32 and 143,034,308.60

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Solution

The fourth proportional to 185,513,527.25, 256,108,059.32 and 143,034,308.60 is: 197,463,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,513,527.25 : 256,108,059.32 = 143,034,308.60 : x
  2. Step 2: Convert to fraction form
    185,513,527.25/256,108,059.32 = 143,034,308.60/x
  3. Step 3: Cross multiply
    185,513,527.25x = 256,108,059.32 × 143,034,308.60
  4. Step 4: Simplify right side
    185,513,527.25x = 36,632,239,191,210,976
  5. Step 5: Solve for x
    x = 36,632,239,191,210,976/185,513,527.25
  6. Step 6: Final answer
    x = 197,463,978.69

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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.