Home / 126,434,773.40-189,793,877.70-97,807,818.20

Finding the Fourth Proportional to 126,434,773.40, 189,793,877.70 and 97,807,818.20

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Solution

The fourth proportional to 126,434,773.40, 189,793,877.70 and 97,807,818.20 is: 146,821,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434,773.40 : 189,793,877.70 = 97,807,818.20 : x
  2. Step 2: Convert to fraction form
    126,434,773.40/189,793,877.70 = 97,807,818.20/x
  3. Step 3: Cross multiply
    126,434,773.40x = 189,793,877.70 × 97,807,818.20
  4. Step 4: Simplify right side
    126,434,773.40x = 18,563,325,085,554,632
  5. Step 5: Solve for x
    x = 18,563,325,085,554,632/126,434,773.40
  6. Step 6: Final answer
    x = 146,821,357.66

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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.