Home / 194,280,221.52-291,388,408.56-69,757,074.72

Finding the Fourth Proportional to 194,280,221.52, 291,388,408.56 and 69,757,074.72

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Solution

The fourth proportional to 194,280,221.52, 291,388,408.56 and 69,757,074.72 is: 104,624,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,280,221.52 : 291,388,408.56 = 69,757,074.72 : x
  2. Step 2: Convert to fraction form
    194,280,221.52/291,388,408.56 = 69,757,074.72/x
  3. Step 3: Cross multiply
    194,280,221.52x = 291,388,408.56 × 69,757,074.72
  4. Step 4: Simplify right side
    194,280,221.52x = 20,326,402,988,461,808
  5. Step 5: Solve for x
    x = 20,326,402,988,461,808/194,280,221.52
  6. Step 6: Final answer
    x = 104,624,149.74

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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.