Home / 107,774,108.40-161,715,767.40-47,190,428.40

Finding the Fourth Proportional to 107,774,108.40, 161,715,767.40 and 47,190,428.40

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Solution

The fourth proportional to 107,774,108.40, 161,715,767.40 and 47,190,428.40 is: 70,809,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,774,108.40 : 161,715,767.40 = 47,190,428.40 : x
  2. Step 2: Convert to fraction form
    107,774,108.40/161,715,767.40 = 47,190,428.40/x
  3. Step 3: Cross multiply
    107,774,108.40x = 161,715,767.40 × 47,190,428.40
  4. Step 4: Simplify right side
    107,774,108.40x = 7,631,436,342,640,754
  5. Step 5: Solve for x
    x = 7,631,436,342,640,754/107,774,108.40
  6. Step 6: Final answer
    x = 70,809,552.09

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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.