Home / 107,787,747.40-161,705,240.70-34,992,140.20

Finding the Fourth Proportional to 107,787,747.40, 161,705,240.70 and 34,992,140.20

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Solution

The fourth proportional to 107,787,747.40, 161,705,240.70 and 34,992,140.20 is: 52,495,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,787,747.40 : 161,705,240.70 = 34,992,140.20 : x
  2. Step 2: Convert to fraction form
    107,787,747.40/161,705,240.70 = 34,992,140.20/x
  3. Step 3: Cross multiply
    107,787,747.40x = 161,705,240.70 × 34,992,140.20
  4. Step 4: Simplify right side
    107,787,747.40x = 5,658,412,453,649,146
  5. Step 5: Solve for x
    x = 5,658,412,453,649,146/107,787,747.40
  6. Step 6: Final answer
    x = 52,495,878.15

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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.