Home / 171,426,691.34-236,564,810.23-100,866,871.75

Finding the Fourth Proportional to 171,426,691.34, 236,564,810.23 and 100,866,871.75

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Solution

The fourth proportional to 171,426,691.34, 236,564,810.23 and 100,866,871.75 is: 139,193,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,691.34 : 236,564,810.23 = 100,866,871.75 : x
  2. Step 2: Convert to fraction form
    171,426,691.34/236,564,810.23 = 100,866,871.75/x
  3. Step 3: Cross multiply
    171,426,691.34x = 236,564,810.23 × 100,866,871.75
  4. Step 4: Simplify right side
    171,426,691.34x = 23,861,552,372,345,340
  5. Step 5: Solve for x
    x = 23,861,552,372,345,340/171,426,691.34
  6. Step 6: Final answer
    x = 139,193,915.41

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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.