Home / 161,640,785.70-242,461,178.55-46,629,080.10

Finding the Fourth Proportional to 161,640,785.70, 242,461,178.55 and 46,629,080.10

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Solution

The fourth proportional to 161,640,785.70, 242,461,178.55 and 46,629,080.10 is: 69,943,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,785.70 : 242,461,178.55 = 46,629,080.10 : x
  2. Step 2: Convert to fraction form
    161,640,785.70/242,461,178.55 = 46,629,080.10/x
  3. Step 3: Cross multiply
    161,640,785.70x = 242,461,178.55 × 46,629,080.10
  4. Step 4: Simplify right side
    161,640,785.70x = 11,305,741,715,748,352
  5. Step 5: Solve for x
    x = 11,305,741,715,748,352/161,640,785.70
  6. Step 6: Final answer
    x = 69,943,620.15

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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.