Home / 157,461,328.40-236,229,317.40-80,796,189.20

Finding the Fourth Proportional to 157,461,328.40, 236,229,317.40 and 80,796,189.20

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Solution

The fourth proportional to 157,461,328.40, 236,229,317.40 and 80,796,189.20 is: 121,213,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,461,328.40 : 236,229,317.40 = 80,796,189.20 : x
  2. Step 2: Convert to fraction form
    157,461,328.40/236,229,317.40 = 80,796,189.20/x
  3. Step 3: Cross multiply
    157,461,328.40x = 236,229,317.40 × 80,796,189.20
  4. Step 4: Simplify right side
    157,461,328.40x = 19,086,428,623,237,252
  5. Step 5: Solve for x
    x = 19,086,428,623,237,252/157,461,328.40
  6. Step 6: Final answer
    x = 121,213,435.81

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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.