Home / 307,365,531.69-424,167,799.16-168,136,294.83

Finding the Fourth Proportional to 307,365,531.69, 424,167,799.16 and 168,136,294.83

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Solution

The fourth proportional to 307,365,531.69, 424,167,799.16 and 168,136,294.83 is: 232,029,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,365,531.69 : 424,167,799.16 = 168,136,294.83 : x
  2. Step 2: Convert to fraction form
    307,365,531.69/424,167,799.16 = 168,136,294.83/x
  3. Step 3: Cross multiply
    307,365,531.69x = 424,167,799.16 × 168,136,294.83
  4. Step 4: Simplify right side
    307,365,531.69x = 71,318,002,135,787,696
  5. Step 5: Solve for x
    x = 71,318,002,135,787,696/307,365,531.69
  6. Step 6: Final answer
    x = 232,029,927.83

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1.5x scale

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.