Home / 342,539,917.48-472,708,488.90-185,908,416.04

Finding the Fourth Proportional to 342,539,917.48, 472,708,488.90 and 185,908,416.04

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Solution

The fourth proportional to 342,539,917.48, 472,708,488.90 and 185,908,416.04 is: 256,555,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,539,917.48 : 472,708,488.90 = 185,908,416.04 : x
  2. Step 2: Convert to fraction form
    342,539,917.48/472,708,488.90 = 185,908,416.04/x
  3. Step 3: Cross multiply
    342,539,917.48x = 472,708,488.90 × 185,908,416.04
  4. Step 4: Simplify right side
    342,539,917.48x = 87,880,486,420,060,912
  5. Step 5: Solve for x
    x = 87,880,486,420,060,912/342,539,917.48
  6. Step 6: Final answer
    x = 256,555,460.94

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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.