Home / 307,365,490.52-424,167,742.29-168,136,253.65

Finding the Fourth Proportional to 307,365,490.52, 424,167,742.29 and 168,136,253.65

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Solution

The fourth proportional to 307,365,490.52, 424,167,742.29 and 168,136,253.65 is: 232,029,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,365,490.52 : 424,167,742.29 = 168,136,253.65 : x
  2. Step 2: Convert to fraction form
    307,365,490.52/424,167,742.29 = 168,136,253.65/x
  3. Step 3: Cross multiply
    307,365,490.52x = 424,167,742.29 × 168,136,253.65
  4. Step 4: Simplify right side
    307,365,490.52x = 71,317,975,108,981,680
  5. Step 5: Solve for x
    x = 71,317,975,108,981,680/307,365,490.52
  6. Step 6: Final answer
    x = 232,029,870.98

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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.