Home / 135,335,623.34-186,731,146.82-76,598,288.48

Finding the Fourth Proportional to 135,335,623.34, 186,731,146.82 and 76,598,288.48

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Solution

The fourth proportional to 135,335,623.34, 186,731,146.82 and 76,598,288.48 is: 105,687,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,335,623.34 : 186,731,146.82 = 76,598,288.48 : x
  2. Step 2: Convert to fraction form
    135,335,623.34/186,731,146.82 = 76,598,288.48/x
  3. Step 3: Cross multiply
    135,335,623.34x = 186,731,146.82 × 76,598,288.48
  4. Step 4: Simplify right side
    135,335,623.34x = 14,303,286,251,002,946
  5. Step 5: Solve for x
    x = 14,303,286,251,002,946/135,335,623.34
  6. Step 6: Final answer
    x = 105,687,518.91

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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.