Home / 89,096,810.40-133,538,927.40-79,956,025.20

Finding the Fourth Proportional to 89,096,810.40, 133,538,927.40 and 79,956,025.20

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Solution

The fourth proportional to 89,096,810.40, 133,538,927.40 and 79,956,025.20 is: 119,838,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,096,810.40 : 133,538,927.40 = 79,956,025.20 : x
  2. Step 2: Convert to fraction form
    89,096,810.40/133,538,927.40 = 79,956,025.20/x
  3. Step 3: Cross multiply
    89,096,810.40x = 133,538,927.40 × 79,956,025.20
  4. Step 4: Simplify right side
    89,096,810.40x = 10,677,241,844,375,372
  5. Step 5: Solve for x
    x = 10,677,241,844,375,372/89,096,810.40
  6. Step 6: Final answer
    x = 119,838,654.12

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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.