Home / 194,055,436.80-291,083,155.20-139,352,443.20

Finding the Fourth Proportional to 194,055,436.80, 291,083,155.20 and 139,352,443.20

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Solution

The fourth proportional to 194,055,436.80, 291,083,155.20 and 139,352,443.20 is: 209,028,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,055,436.80 : 291,083,155.20 = 139,352,443.20 : x
  2. Step 2: Convert to fraction form
    194,055,436.80/291,083,155.20 = 139,352,443.20/x
  3. Step 3: Cross multiply
    194,055,436.80x = 291,083,155.20 × 139,352,443.20
  4. Step 4: Simplify right side
    194,055,436.80x = 40,563,148,851,484,776
  5. Step 5: Solve for x
    x = 40,563,148,851,484,776/194,055,436.80
  6. Step 6: Final answer
    x = 209,028,664.80

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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.