Home / 209,220,600.02-313,818,194.77-78,037,587.65

Finding the Fourth Proportional to 209,220,600.02, 313,818,194.77 and 78,037,587.65

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Solution

The fourth proportional to 209,220,600.02, 313,818,194.77 and 78,037,587.65 is: 117,051,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,220,600.02 : 313,818,194.77 = 78,037,587.65 : x
  2. Step 2: Convert to fraction form
    209,220,600.02/313,818,194.77 = 78,037,587.65/x
  3. Step 3: Cross multiply
    209,220,600.02x = 313,818,194.77 × 78,037,587.65
  4. Step 4: Simplify right side
    209,220,600.02x = 24,489,614,881,118,096
  5. Step 5: Solve for x
    x = 24,489,614,881,118,096/209,220,600.02
  6. Step 6: Final answer
    x = 117,051,642.52

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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.