Home / 135,769,269.34-187,381,334.73-76,237,248.52

Finding the Fourth Proportional to 135,769,269.34, 187,381,334.73 and 76,237,248.52

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Solution

The fourth proportional to 135,769,269.34, 187,381,334.73 and 76,237,248.52 is: 105,218,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,769,269.34 : 187,381,334.73 = 76,237,248.52 : x
  2. Step 2: Convert to fraction form
    135,769,269.34/187,381,334.73 = 76,237,248.52/x
  3. Step 3: Cross multiply
    135,769,269.34x = 187,381,334.73 × 76,237,248.52
  4. Step 4: Simplify right side
    135,769,269.34x = 14,285,437,383,820,316
  5. Step 5: Solve for x
    x = 14,285,437,383,820,316/135,769,269.34
  6. Step 6: Final answer
    x = 105,218,489.08

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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.