Home / 387,586,329.93-581,145,325.34-154,452,907.53

Finding the Fourth Proportional to 387,586,329.93, 581,145,325.34 and 154,452,907.53

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Solution

The fourth proportional to 387,586,329.93, 581,145,325.34 and 154,452,907.53 is: 231,586,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,586,329.93 : 581,145,325.34 = 154,452,907.53 : x
  2. Step 2: Convert to fraction form
    387,586,329.93/581,145,325.34 = 154,452,907.53/x
  3. Step 3: Cross multiply
    387,586,329.93x = 581,145,325.34 × 154,452,907.53
  4. Step 4: Simplify right side
    387,586,329.93x = 89,759,585,195,458,528
  5. Step 5: Solve for x
    x = 89,759,585,195,458,528/387,586,329.93
  6. Step 6: Final answer
    x = 231,586,044.87

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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.