Home / 118,719,020.20-178,078,530.30-98,563,628.20

Finding the Fourth Proportional to 118,719,020.20, 178,078,530.30 and 98,563,628.20

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Solution

The fourth proportional to 118,719,020.20, 178,078,530.30 and 98,563,628.20 is: 147,845,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,719,020.20 : 178,078,530.30 = 98,563,628.20 : x
  2. Step 2: Convert to fraction form
    118,719,020.20/178,078,530.30 = 98,563,628.20/x
  3. Step 3: Cross multiply
    118,719,020.20x = 178,078,530.30 × 98,563,628.20
  4. Step 4: Simplify right side
    118,719,020.20x = 17,552,066,050,891,636
  5. Step 5: Solve for x
    x = 17,552,066,050,891,636/118,719,020.20
  6. Step 6: Final answer
    x = 147,845,442.30

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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.