Home / 315,514,340.46-435,432,321-174,382,524.72

Finding the Fourth Proportional to 315,514,340.46, 435,432,321 and 174,382,524.72

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Solution

The fourth proportional to 315,514,340.46, 435,432,321 and 174,382,524.72 is: 240,660,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,514,340.46 : 435,432,321 = 174,382,524.72 : x
  2. Step 2: Convert to fraction form
    315,514,340.46/435,432,321 = 174,382,524.72/x
  3. Step 3: Cross multiply
    315,514,340.46x = 435,432,321 × 174,382,524.72
  4. Step 4: Simplify right side
    315,514,340.46x = 75,931,787,480,669,472
  5. Step 5: Solve for x
    x = 75,931,787,480,669,472/315,514,340.46
  6. Step 6: Final answer
    x = 240,660,336.93

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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.