Home / 208,569,295.76-287,823,764.44-114,480,656.21

Finding the Fourth Proportional to 208,569,295.76, 287,823,764.44 and 114,480,656.21

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Solution

The fourth proportional to 208,569,295.76, 287,823,764.44 and 114,480,656.21 is: 157,982,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,569,295.76 : 287,823,764.44 = 114,480,656.21 : x
  2. Step 2: Convert to fraction form
    208,569,295.76/287,823,764.44 = 114,480,656.21/x
  3. Step 3: Cross multiply
    208,569,295.76x = 287,823,764.44 × 114,480,656.21
  4. Step 4: Simplify right side
    208,569,295.76x = 32,950,253,426,786,328
  5. Step 5: Solve for x
    x = 32,950,253,426,786,328/208,569,295.76
  6. Step 6: Final answer
    x = 157,982,282.62

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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.