Home / 208,891,286.88-288,276,460.08-114,803,721.90

Finding the Fourth Proportional to 208,891,286.88, 288,276,460.08 and 114,803,721.90

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Solution

The fourth proportional to 208,891,286.88, 288,276,460.08 and 114,803,721.90 is: 158,432,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,891,286.88 : 288,276,460.08 = 114,803,721.90 : x
  2. Step 2: Convert to fraction form
    208,891,286.88/288,276,460.08 = 114,803,721.90/x
  3. Step 3: Cross multiply
    208,891,286.88x = 288,276,460.08 × 114,803,721.90
  4. Step 4: Simplify right side
    208,891,286.88x = 33,095,210,552,910,260
  5. Step 5: Solve for x
    x = 33,095,210,552,910,260/208,891,286.88
  6. Step 6: Final answer
    x = 158,432,699.84

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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.