Home / 251,976,333.32-347,748,039.74-138,967,926.74

Finding the Fourth Proportional to 251,976,333.32, 347,748,039.74 and 138,967,926.74

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Solution

The fourth proportional to 251,976,333.32, 347,748,039.74 and 138,967,926.74 is: 191,787,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,976,333.32 : 347,748,039.74 = 138,967,926.74 : x
  2. Step 2: Convert to fraction form
    251,976,333.32/347,748,039.74 = 138,967,926.74/x
  3. Step 3: Cross multiply
    251,976,333.32x = 347,748,039.74 × 138,967,926.74
  4. Step 4: Simplify right side
    251,976,333.32x = 48,325,824,110,566,936
  5. Step 5: Solve for x
    x = 48,325,824,110,566,936/251,976,333.32
  6. Step 6: Final answer
    x = 191,787,155.06

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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.