Home / 313,173,742.50-432,131,722.05-180,989,213.31

Finding the Fourth Proportional to 313,173,742.50, 432,131,722.05 and 180,989,213.31

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Solution

The fourth proportional to 313,173,742.50, 432,131,722.05 and 180,989,213.31 is: 249,737,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,173,742.50 : 432,131,722.05 = 180,989,213.31 : x
  2. Step 2: Convert to fraction form
    313,173,742.50/432,131,722.05 = 180,989,213.31/x
  3. Step 3: Cross multiply
    313,173,742.50x = 432,131,722.05 × 180,989,213.31
  4. Step 4: Simplify right side
    313,173,742.50x = 78,211,180,420,125,088
  5. Step 5: Solve for x
    x = 78,211,180,420,125,088/313,173,742.50
  6. Step 6: Final answer
    x = 249,737,349.61

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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.