Home / 112,506,314.16-168,765,967.56-43,419,476.22

Finding the Fourth Proportional to 112,506,314.16, 168,765,967.56 and 43,419,476.22

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Solution

The fourth proportional to 112,506,314.16, 168,765,967.56 and 43,419,476.22 is: 65,131,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506,314.16 : 168,765,967.56 = 43,419,476.22 : x
  2. Step 2: Convert to fraction form
    112,506,314.16/168,765,967.56 = 43,419,476.22/x
  3. Step 3: Cross multiply
    112,506,314.16x = 168,765,967.56 × 43,419,476.22
  4. Step 4: Simplify right side
    112,506,314.16x = 7,327,729,915,216,711
  5. Step 5: Solve for x
    x = 7,327,729,915,216,711/112,506,314.16
  6. Step 6: Final answer
    x = 65,131,721.45

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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.