Home / 206,467,068.90-309,700,603.35-124,837,731.30

Finding the Fourth Proportional to 206,467,068.90, 309,700,603.35 and 124,837,731.30

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Solution

The fourth proportional to 206,467,068.90, 309,700,603.35 and 124,837,731.30 is: 187,256,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,467,068.90 : 309,700,603.35 = 124,837,731.30 : x
  2. Step 2: Convert to fraction form
    206,467,068.90/309,700,603.35 = 124,837,731.30/x
  3. Step 3: Cross multiply
    206,467,068.90x = 309,700,603.35 × 124,837,731.30
  4. Step 4: Simplify right side
    206,467,068.90x = 38,662,320,704,455,184
  5. Step 5: Solve for x
    x = 38,662,320,704,455,184/206,467,068.90
  6. Step 6: Final answer
    x = 187,256,596.95

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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.