Home / 154,320,156.43-212,962,026.76-83,755,767.71

Finding the Fourth Proportional to 154,320,156.43, 212,962,026.76 and 83,755,767.71

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Solution

The fourth proportional to 154,320,156.43, 212,962,026.76 and 83,755,767.71 is: 115,583,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,320,156.43 : 212,962,026.76 = 83,755,767.71 : x
  2. Step 2: Convert to fraction form
    154,320,156.43/212,962,026.76 = 83,755,767.71/x
  3. Step 3: Cross multiply
    154,320,156.43x = 212,962,026.76 × 83,755,767.71
  4. Step 4: Simplify right side
    154,320,156.43x = 17,836,798,044,684,380
  5. Step 5: Solve for x
    x = 17,836,798,044,684,380/154,320,156.43
  6. Step 6: Final answer
    x = 115,583,073.90

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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.