Home / 89,009,928.60-133,514,892.90-54,572,551.80

Finding the Fourth Proportional to 89,009,928.60, 133,514,892.90 and 54,572,551.80

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Solution

The fourth proportional to 89,009,928.60, 133,514,892.90 and 54,572,551.80 is: 81,858,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009,928.60 : 133,514,892.90 = 54,572,551.80 : x
  2. Step 2: Convert to fraction form
    89,009,928.60/133,514,892.90 = 54,572,551.80/x
  3. Step 3: Cross multiply
    89,009,928.60x = 133,514,892.90 × 54,572,551.80
  4. Step 4: Simplify right side
    89,009,928.60x = 7,286,248,408,856,702
  5. Step 5: Solve for x
    x = 7,286,248,408,856,702/89,009,928.60
  6. Step 6: Final answer
    x = 81,858,827.70

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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.