Home / 196,691,130.59-271,426,650.17-108,583,240.16

Finding the Fourth Proportional to 196,691,130.59, 271,426,650.17 and 108,583,240.16

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Solution

The fourth proportional to 196,691,130.59, 271,426,650.17 and 108,583,240.16 is: 149,840,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,691,130.59 : 271,426,650.17 = 108,583,240.16 : x
  2. Step 2: Convert to fraction form
    196,691,130.59/271,426,650.17 = 108,583,240.16/x
  3. Step 3: Cross multiply
    196,691,130.59x = 271,426,650.17 × 108,583,240.16
  4. Step 4: Simplify right side
    196,691,130.59x = 29,472,385,141,369,064
  5. Step 5: Solve for x
    x = 29,472,385,141,369,064/196,691,130.59
  6. Step 6: Final answer
    x = 149,840,946.33

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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.