Home / 307,897,269.50-424,894,846.95-166,764,979.04

Finding the Fourth Proportional to 307,897,269.50, 424,894,846.95 and 166,764,979.04

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Solution

The fourth proportional to 307,897,269.50, 424,894,846.95 and 166,764,979.04 is: 230,133,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,897,269.50 : 424,894,846.95 = 166,764,979.04 : x
  2. Step 2: Convert to fraction form
    307,897,269.50/424,894,846.95 = 166,764,979.04/x
  3. Step 3: Cross multiply
    307,897,269.50x = 424,894,846.95 × 166,764,979.04
  4. Step 4: Simplify right side
    307,897,269.50x = 70,857,580,245,820,752
  5. Step 5: Solve for x
    x = 70,857,580,245,820,752/307,897,269.50
  6. Step 6: Final answer
    x = 230,133,837.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.