Home / 139,245,278.60-192,163,670.37-83,499,774.91

Finding the Fourth Proportional to 139,245,278.60, 192,163,670.37 and 83,499,774.91

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Solution

The fourth proportional to 139,245,278.60, 192,163,670.37 and 83,499,774.91 is: 115,232,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,245,278.60 : 192,163,670.37 = 83,499,774.91 : x
  2. Step 2: Convert to fraction form
    139,245,278.60/192,163,670.37 = 83,499,774.91/x
  3. Step 3: Cross multiply
    139,245,278.60x = 192,163,670.37 × 83,499,774.91
  4. Step 4: Simplify right side
    139,245,278.60x = 16,045,623,221,294,028
  5. Step 5: Solve for x
    x = 16,045,623,221,294,028/139,245,278.60
  6. Step 6: Final answer
    x = 115,232,799.15

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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.