Home / 172,985,629,345.14-238,720,085,466.17-103,461,269,005.70

Finding the Fourth Proportional to 172,985,629,345.14, 238,720,085,466.17 and 103,461,269,005.70

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Solution

The fourth proportional to 172,985,629,345.14, 238,720,085,466.17 and 103,461,269,005.70 is: 142,776,501,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,985,629,345.14 : 238,720,085,466.17 = 103,461,269,005.70 : x
  2. Step 2: Convert to fraction form
    172,985,629,345.14/238,720,085,466.17 = 103,461,269,005.70/x
  3. Step 3: Cross multiply
    172,985,629,345.14x = 238,720,085,466.17 × 103,461,269,005.70
  4. Step 4: Simplify right side
    172,985,629,345.14x = 24,698,282,979,479,110,287,360
  5. Step 5: Solve for x
    x = 24,698,282,979,479,110,287,360/172,985,629,345.14
  6. Step 6: Final answer
    x = 142,776,501,568.24

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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.