Home / 112,506,315.66-168,765,969.81-43,419,477.72

Finding the Fourth Proportional to 112,506,315.66, 168,765,969.81 and 43,419,477.72

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Solution

The fourth proportional to 112,506,315.66, 168,765,969.81 and 43,419,477.72 is: 65,131,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506,315.66 : 168,765,969.81 = 43,419,477.72 : x
  2. Step 2: Convert to fraction form
    112,506,315.66/168,765,969.81 = 43,419,477.72/x
  3. Step 3: Cross multiply
    112,506,315.66x = 168,765,969.81 × 43,419,477.72
  4. Step 4: Simplify right side
    112,506,315.66x = 7,327,730,266,059,488
  5. Step 5: Solve for x
    x = 7,327,730,266,059,488/112,506,315.66
  6. Step 6: Final answer
    x = 65,131,723.70

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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.