Home / 216,892,366.02-299,300,688.09-122,791,879.62

Finding the Fourth Proportional to 216,892,366.02, 299,300,688.09 and 122,791,879.62

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Solution

The fourth proportional to 216,892,366.02, 299,300,688.09 and 122,791,879.62 is: 169,446,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,892,366.02 : 299,300,688.09 = 122,791,879.62 : x
  2. Step 2: Convert to fraction form
    216,892,366.02/299,300,688.09 = 122,791,879.62/x
  3. Step 3: Cross multiply
    216,892,366.02x = 299,300,688.09 × 122,791,879.62
  4. Step 4: Simplify right side
    216,892,366.02x = 36,751,694,062,130,448
  5. Step 5: Solve for x
    x = 36,751,694,062,130,448/216,892,366.02
  6. Step 6: Final answer
    x = 169,446,692.55

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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.