Home / 139,877,244.45-193,027,215.80-77,151,995.33

Finding the Fourth Proportional to 139,877,244.45, 193,027,215.80 and 77,151,995.33

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Solution

The fourth proportional to 139,877,244.45, 193,027,215.80 and 77,151,995.33 is: 106,467,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,877,244.45 : 193,027,215.80 = 77,151,995.33 : x
  2. Step 2: Convert to fraction form
    139,877,244.45/193,027,215.80 = 77,151,995.33/x
  3. Step 3: Cross multiply
    139,877,244.45x = 193,027,215.80 × 77,151,995.33
  4. Step 4: Simplify right side
    139,877,244.45x = 14,892,434,850,999,368
  5. Step 5: Solve for x
    x = 14,892,434,850,999,368/139,877,244.45
  6. Step 6: Final answer
    x = 106,467,888.39

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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.