Home / 91,563,150.60-137,344,725.90-79,233,719.40

Finding the Fourth Proportional to 91,563,150.60, 137,344,725.90 and 79,233,719.40

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Solution

The fourth proportional to 91,563,150.60, 137,344,725.90 and 79,233,719.40 is: 118,850,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563,150.60 : 137,344,725.90 = 79,233,719.40 : x
  2. Step 2: Convert to fraction form
    91,563,150.60/137,344,725.90 = 79,233,719.40/x
  3. Step 3: Cross multiply
    91,563,150.60x = 137,344,725.90 × 79,233,719.40
  4. Step 4: Simplify right side
    91,563,150.60x = 10,882,333,473,030,514
  5. Step 5: Solve for x
    x = 10,882,333,473,030,514/91,563,150.60
  6. Step 6: Final answer
    x = 118,850,579.10

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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.