Home / 90,544,995.27-135,726,677.73-42,056,903.45

Finding the Fourth Proportional to 90,544,995.27, 135,726,677.73 and 42,056,903.45

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Solution

The fourth proportional to 90,544,995.27, 135,726,677.73 and 42,056,903.45 is: 63,043,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,544,995.27 : 135,726,677.73 = 42,056,903.45 : x
  2. Step 2: Convert to fraction form
    90,544,995.27/135,726,677.73 = 42,056,903.45/x
  3. Step 3: Cross multiply
    90,544,995.27x = 135,726,677.73 × 42,056,903.45
  4. Step 4: Simplify right side
    90,544,995.27x = 5,708,243,781,219,191
  5. Step 5: Solve for x
    x = 5,708,243,781,219,191/90,544,995.27
  6. Step 6: Final answer
    x = 63,043,172.78

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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.