Home / 208,846,811.87-288,191,728.07-120,746,487.07

Finding the Fourth Proportional to 208,846,811.87, 288,191,728.07 and 120,746,487.07

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Solution

The fourth proportional to 208,846,811.87, 288,191,728.07 and 120,746,487.07 is: 166,620,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846,811.87 : 288,191,728.07 = 120,746,487.07 : x
  2. Step 2: Convert to fraction form
    208,846,811.87/288,191,728.07 = 120,746,487.07/x
  3. Step 3: Cross multiply
    208,846,811.87x = 288,191,728.07 × 120,746,487.07
  4. Step 4: Simplify right side
    208,846,811.87x = 34,798,138,767,085,208
  5. Step 5: Solve for x
    x = 34,798,138,767,085,208/208,846,811.87
  6. Step 6: Final answer
    x = 166,620,397.29

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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.