Home / 171,426,654.89-236,564,760.09-100,866,835.20

Finding the Fourth Proportional to 171,426,654.89, 236,564,760.09 and 100,866,835.20

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Solution

The fourth proportional to 171,426,654.89, 236,564,760.09 and 100,866,835.20 is: 139,193,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,654.89 : 236,564,760.09 = 100,866,835.20 : x
  2. Step 2: Convert to fraction form
    171,426,654.89/236,564,760.09 = 100,866,835.20/x
  3. Step 3: Cross multiply
    171,426,654.89x = 236,564,760.09 × 100,866,835.20
  4. Step 4: Simplify right side
    171,426,654.89x = 23,861,538,671,390,936
  5. Step 5: Solve for x
    x = 23,861,538,671,390,936/171,426,654.89
  6. Step 6: Final answer
    x = 139,193,865.08

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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.