Home / 89,339,956.60-134,009,934.90-71,424,052.60

Finding the Fourth Proportional to 89,339,956.60, 134,009,934.90 and 71,424,052.60

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Solution

The fourth proportional to 89,339,956.60, 134,009,934.90 and 71,424,052.60 is: 107,136,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,956.60 : 134,009,934.90 = 71,424,052.60 : x
  2. Step 2: Convert to fraction form
    89,339,956.60/134,009,934.90 = 71,424,052.60/x
  3. Step 3: Cross multiply
    89,339,956.60x = 134,009,934.90 × 71,424,052.60
  4. Step 4: Simplify right side
    89,339,956.60x = 9,571,532,639,220,176
  5. Step 5: Solve for x
    x = 9,571,532,639,220,176/89,339,956.60
  6. Step 6: Final answer
    x = 107,136,078.90

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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.