Home / 194,205,193.20-291,307,955.65-54,140,097.69

Finding the Fourth Proportional to 194,205,193.20, 291,307,955.65 and 54,140,097.69

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Solution

The fourth proportional to 194,205,193.20, 291,307,955.65 and 54,140,097.69 is: 81,210,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,205,193.20 : 291,307,955.65 = 54,140,097.69 : x
  2. Step 2: Convert to fraction form
    194,205,193.20/291,307,955.65 = 54,140,097.69/x
  3. Step 3: Cross multiply
    194,205,193.20x = 291,307,955.65 × 54,140,097.69
  4. Step 4: Simplify right side
    194,205,193.20x = 15,771,441,176,629,836
  5. Step 5: Solve for x
    x = 15,771,441,176,629,836/194,205,193.20
  6. Step 6: Final answer
    x = 81,210,192.77

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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.