Home / 283,081,391.80-424,424,666.76-125,428,660.45

Finding the Fourth Proportional to 283,081,391.80, 424,424,666.76 and 125,428,660.45

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Solution

The fourth proportional to 283,081,391.80, 424,424,666.76 and 125,428,660.45 is: 188,055,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,081,391.80 : 424,424,666.76 = 125,428,660.45 : x
  2. Step 2: Convert to fraction form
    283,081,391.80/424,424,666.76 = 125,428,660.45/x
  3. Step 3: Cross multiply
    283,081,391.80x = 424,424,666.76 × 125,428,660.45
  4. Step 4: Simplify right side
    283,081,391.80x = 53,235,017,413,644,440
  5. Step 5: Solve for x
    x = 53,235,017,413,644,440/283,081,391.80
  6. Step 6: Final answer
    x = 188,055,516.74

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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.