Home / 99,091,806.60-148,637,709.90-64,654,429.80

Finding the Fourth Proportional to 99,091,806.60, 148,637,709.90 and 64,654,429.80

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Solution

The fourth proportional to 99,091,806.60, 148,637,709.90 and 64,654,429.80 is: 96,981,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,091,806.60 : 148,637,709.90 = 64,654,429.80 : x
  2. Step 2: Convert to fraction form
    99,091,806.60/148,637,709.90 = 64,654,429.80/x
  3. Step 3: Cross multiply
    99,091,806.60x = 148,637,709.90 × 64,654,429.80
  4. Step 4: Simplify right side
    99,091,806.60x = 9,610,086,380,362,314
  5. Step 5: Solve for x
    x = 9,610,086,380,362,314/99,091,806.60
  6. Step 6: Final answer
    x = 96,981,644.70

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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.