Home / 171,426,689.12-236,564,807.14-100,866,869.56

Finding the Fourth Proportional to 171,426,689.12, 236,564,807.14 and 100,866,869.56

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Solution

The fourth proportional to 171,426,689.12, 236,564,807.14 and 100,866,869.56 is: 139,193,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,689.12 : 236,564,807.14 = 100,866,869.56 : x
  2. Step 2: Convert to fraction form
    171,426,689.12/236,564,807.14 = 100,866,869.56/x
  3. Step 3: Cross multiply
    171,426,689.12x = 236,564,807.14 × 100,866,869.56
  4. Step 4: Simplify right side
    171,426,689.12x = 23,861,551,544,276,936
  5. Step 5: Solve for x
    x = 23,861,551,544,276,936/171,426,689.12
  6. Step 6: Final answer
    x = 139,193,912.38

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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.