Home / 149,350,828.60-223,760,822.10-128,117,164.60

Finding the Fourth Proportional to 149,350,828.60, 223,760,822.10 and 128,117,164.60

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Solution

The fourth proportional to 149,350,828.60, 223,760,822.10 and 128,117,164.60 is: 191,948,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,350,828.60 : 223,760,822.10 = 128,117,164.60 : x
  2. Step 2: Convert to fraction form
    149,350,828.60/223,760,822.10 = 128,117,164.60/x
  3. Step 3: Cross multiply
    149,350,828.60x = 223,760,822.10 × 128,117,164.60
  4. Step 4: Simplify right side
    149,350,828.60x = 28,667,602,076,017,016
  5. Step 5: Solve for x
    x = 28,667,602,076,017,016/149,350,828.60
  6. Step 6: Final answer
    x = 191,948,061.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.