Home / 103,512,141.40-155,268,212.10-101,496,602.20

Finding the Fourth Proportional to 103,512,141.40, 155,268,212.10 and 101,496,602.20

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Solution

The fourth proportional to 103,512,141.40, 155,268,212.10 and 101,496,602.20 is: 152,244,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,512,141.40 : 155,268,212.10 = 101,496,602.20 : x
  2. Step 2: Convert to fraction form
    103,512,141.40/155,268,212.10 = 101,496,602.20/x
  3. Step 3: Cross multiply
    103,512,141.40x = 155,268,212.10 × 101,496,602.20
  4. Step 4: Simplify right side
    103,512,141.40x = 15,759,195,957,818,926
  5. Step 5: Solve for x
    x = 15,759,195,957,818,926/103,512,141.40
  6. Step 6: Final answer
    x = 152,244,903.30

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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.