Home / 148,021,781.55-204,272,476.88-81,039,622.11

Finding the Fourth Proportional to 148,021,781.55, 204,272,476.88 and 81,039,622.11

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Solution

The fourth proportional to 148,021,781.55, 204,272,476.88 and 81,039,622.11 is: 111,836,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021,781.55 : 204,272,476.88 = 81,039,622.11 : x
  2. Step 2: Convert to fraction form
    148,021,781.55/204,272,476.88 = 81,039,622.11/x
  3. Step 3: Cross multiply
    148,021,781.55x = 204,272,476.88 × 81,039,622.11
  4. Step 4: Simplify right side
    148,021,781.55x = 16,554,164,333,423,714
  5. Step 5: Solve for x
    x = 16,554,164,333,423,714/148,021,781.55
  6. Step 6: Final answer
    x = 111,836,002.51

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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.