Home / 172,643,953.92-238,245,876-94,325,827.20

Finding the Fourth Proportional to 172,643,953.92, 238,245,876 and 94,325,827.20

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Solution

The fourth proportional to 172,643,953.92, 238,245,876 and 94,325,827.20 is: 130,168,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,643,953.92 : 238,245,876 = 94,325,827.20 : x
  2. Step 2: Convert to fraction form
    172,643,953.92/238,245,876 = 94,325,827.20/x
  3. Step 3: Cross multiply
    172,643,953.92x = 238,245,876 × 94,325,827.20
  4. Step 4: Simplify right side
    172,643,953.92x = 22,472,739,330,688,628
  5. Step 5: Solve for x
    x = 22,472,739,330,688,628/172,643,953.92
  6. Step 6: Final answer
    x = 130,168,122.43

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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.