Home / 307,583,429.40-461,376,341.09-74,413,767.21

Finding the Fourth Proportional to 307,583,429.40, 461,376,341.09 and 74,413,767.21

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Solution

The fourth proportional to 307,583,429.40, 461,376,341.09 and 74,413,767.21 is: 111,620,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,583,429.40 : 461,376,341.09 = 74,413,767.21 : x
  2. Step 2: Convert to fraction form
    307,583,429.40/461,376,341.09 = 74,413,767.21/x
  3. Step 3: Cross multiply
    307,583,429.40x = 461,376,341.09 × 74,413,767.21
  4. Step 4: Simplify right side
    307,583,429.40x = 34,332,751,641,700,744
  5. Step 5: Solve for x
    x = 34,332,751,641,700,744/307,583,429.40
  6. Step 6: Final answer
    x = 111,620,940.40

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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.