Home / 176,342,805.78-243,323,656.71-98,015,709.69

Finding the Fourth Proportional to 176,342,805.78, 243,323,656.71 and 98,015,709.69

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Solution

The fourth proportional to 176,342,805.78, 243,323,656.71 and 98,015,709.69 is: 135,245,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,342,805.78 : 243,323,656.71 = 98,015,709.69 : x
  2. Step 2: Convert to fraction form
    176,342,805.78/243,323,656.71 = 98,015,709.69/x
  3. Step 3: Cross multiply
    176,342,805.78x = 243,323,656.71 × 98,015,709.69
  4. Step 4: Simplify right side
    176,342,805.78x = 23,849,540,896,979,872
  5. Step 5: Solve for x
    x = 23,849,540,896,979,872/176,342,805.78
  6. Step 6: Final answer
    x = 135,245,329.64

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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.