Home / 138,784,696.44-191,522,365.02-76,904,985.66

Finding the Fourth Proportional to 138,784,696.44, 191,522,365.02 and 76,904,985.66

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Solution

The fourth proportional to 138,784,696.44, 191,522,365.02 and 76,904,985.66 is: 106,128,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,784,696.44 : 191,522,365.02 = 76,904,985.66 : x
  2. Step 2: Convert to fraction form
    138,784,696.44/191,522,365.02 = 76,904,985.66/x
  3. Step 3: Cross multiply
    138,784,696.44x = 191,522,365.02 × 76,904,985.66
  4. Step 4: Simplify right side
    138,784,696.44x = 14,729,024,735,432,386
  5. Step 5: Solve for x
    x = 14,729,024,735,432,386/138,784,696.44
  6. Step 6: Final answer
    x = 106,128,594.24

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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.