Home / 312,744,306.02-431,587,195.18-173,514,735.63

Finding the Fourth Proportional to 312,744,306.02, 431,587,195.18 and 173,514,735.63

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Solution

The fourth proportional to 312,744,306.02, 431,587,195.18 and 173,514,735.63 is: 239,450,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,744,306.02 : 431,587,195.18 = 173,514,735.63 : x
  2. Step 2: Convert to fraction form
    312,744,306.02/431,587,195.18 = 173,514,735.63/x
  3. Step 3: Cross multiply
    312,744,306.02x = 431,587,195.18 × 173,514,735.63
  4. Step 4: Simplify right side
    312,744,306.02x = 74,886,738,072,517,120
  5. Step 5: Solve for x
    x = 74,886,738,072,517,120/312,744,306.02
  6. Step 6: Final answer
    x = 239,450,364.51

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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.