Home / 127,509,886.72-191,264,193.95-49,794,686.91

Finding the Fourth Proportional to 127,509,886.72, 191,264,193.95 and 49,794,686.91

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Solution

The fourth proportional to 127,509,886.72, 191,264,193.95 and 49,794,686.91 is: 74,691,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,509,886.72 : 191,264,193.95 = 49,794,686.91 : x
  2. Step 2: Convert to fraction form
    127,509,886.72/191,264,193.95 = 49,794,686.91/x
  3. Step 3: Cross multiply
    127,509,886.72x = 191,264,193.95 × 49,794,686.91
  4. Step 4: Simplify right side
    127,509,886.72x = 9,523,940,654,771,522
  5. Step 5: Solve for x
    x = 9,523,940,654,771,522/127,509,886.72
  6. Step 6: Final answer
    x = 74,691,781.94

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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.