Home / 115,487,649.14-159,333,721.03-65,892,394.04

Finding the Fourth Proportional to 115,487,649.14, 159,333,721.03 and 65,892,394.04

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Solution

The fourth proportional to 115,487,649.14, 159,333,721.03 and 65,892,394.04 is: 90,909,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487,649.14 : 159,333,721.03 = 65,892,394.04 : x
  2. Step 2: Convert to fraction form
    115,487,649.14/159,333,721.03 = 65,892,394.04/x
  3. Step 3: Cross multiply
    115,487,649.14x = 159,333,721.03 × 65,892,394.04
  4. Step 4: Simplify right side
    115,487,649.14x = 10,498,880,330,334,642
  5. Step 5: Solve for x
    x = 10,498,880,330,334,642/115,487,649.14
  6. Step 6: Final answer
    x = 90,909,118.06

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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.