Home / 194,285,916.72-291,345,920.37-112,461,274.53

Finding the Fourth Proportional to 194,285,916.72, 291,345,920.37 and 112,461,274.53

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Solution

The fourth proportional to 194,285,916.72, 291,345,920.37 and 112,461,274.53 is: 168,643,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,285,916.72 : 291,345,920.37 = 112,461,274.53 : x
  2. Step 2: Convert to fraction form
    194,285,916.72/291,345,920.37 = 112,461,274.53/x
  3. Step 3: Cross multiply
    194,285,916.72x = 291,345,920.37 × 112,461,274.53
  4. Step 4: Simplify right side
    194,285,916.72x = 32,765,133,533,926,092
  5. Step 5: Solve for x
    x = 32,765,133,533,926,092/194,285,916.72
  6. Step 6: Final answer
    x = 168,643,893.94

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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.