Home / 97,115,933.40-145,673,900.10-89,179,747.80

Finding the Fourth Proportional to 97,115,933.40, 145,673,900.10 and 89,179,747.80

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Solution

The fourth proportional to 97,115,933.40, 145,673,900.10 and 89,179,747.80 is: 133,769,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,933.40 : 145,673,900.10 = 89,179,747.80 : x
  2. Step 2: Convert to fraction form
    97,115,933.40/145,673,900.10 = 89,179,747.80/x
  3. Step 3: Cross multiply
    97,115,933.40x = 145,673,900.10 × 89,179,747.80
  4. Step 4: Simplify right side
    97,115,933.40x = 12,991,161,671,960,394
  5. Step 5: Solve for x
    x = 12,991,161,671,960,394/97,115,933.40
  6. Step 6: Final answer
    x = 133,769,621.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.