Home / 140,009,738.88-193,213,475.28-77,285,871.84

Finding the Fourth Proportional to 140,009,738.88, 193,213,475.28 and 77,285,871.84

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Solution

The fourth proportional to 140,009,738.88, 193,213,475.28 and 77,285,871.84 is: 106,654,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,009,738.88 : 193,213,475.28 = 77,285,871.84 : x
  2. Step 2: Convert to fraction form
    140,009,738.88/193,213,475.28 = 77,285,871.84/x
  3. Step 3: Cross multiply
    140,009,738.88x = 193,213,475.28 × 77,285,871.84
  4. Step 4: Simplify right side
    140,009,738.88x = 14,932,671,888,251,088
  5. Step 5: Solve for x
    x = 14,932,671,888,251,088/140,009,738.88
  6. Step 6: Final answer
    x = 106,654,522.80

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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.