Home / 89,009,865.60-133,514,798.40-54,572,488.80

Finding the Fourth Proportional to 89,009,865.60, 133,514,798.40 and 54,572,488.80

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Solution

The fourth proportional to 89,009,865.60, 133,514,798.40 and 54,572,488.80 is: 81,858,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009,865.60 : 133,514,798.40 = 54,572,488.80 : x
  2. Step 2: Convert to fraction form
    89,009,865.60/133,514,798.40 = 54,572,488.80/x
  3. Step 3: Cross multiply
    89,009,865.60x = 133,514,798.40 × 54,572,488.80
  4. Step 4: Simplify right side
    89,009,865.60x = 7,286,234,840,318,258
  5. Step 5: Solve for x
    x = 7,286,234,840,318,258/89,009,865.60
  6. Step 6: Final answer
    x = 81,858,733.20

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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.