Home / 186,861,352.60-280,208,048.10-71,807,656.60

Finding the Fourth Proportional to 186,861,352.60, 280,208,048.10 and 71,807,656.60

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Solution

The fourth proportional to 186,861,352.60, 280,208,048.10 and 71,807,656.60 is: 107,679,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,861,352.60 : 280,208,048.10 = 71,807,656.60 : x
  2. Step 2: Convert to fraction form
    186,861,352.60/280,208,048.10 = 71,807,656.60/x
  3. Step 3: Cross multiply
    186,861,352.60x = 280,208,048.10 × 71,807,656.60
  4. Step 4: Simplify right side
    186,861,352.60x = 20,121,083,294,521,084
  5. Step 5: Solve for x
    x = 20,121,083,294,521,084/186,861,352.60
  6. Step 6: Final answer
    x = 107,679,212.50

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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.