Home / 77,424,103.20-116,133,005.16-19,130,313.16

Finding the Fourth Proportional to 77,424,103.20, 116,133,005.16 and 19,130,313.16

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Solution

The fourth proportional to 77,424,103.20, 116,133,005.16 and 19,130,313.16 is: 28,694,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,424,103.20 : 116,133,005.16 = 19,130,313.16 : x
  2. Step 2: Convert to fraction form
    77,424,103.20/116,133,005.16 = 19,130,313.16/x
  3. Step 3: Cross multiply
    77,424,103.20x = 116,133,005.16 × 19,130,313.16
  4. Step 4: Simplify right side
    77,424,103.20x = 2,221,660,756,632,363.25
  5. Step 5: Solve for x
    x = 2,221,660,756,632,363.25/77,424,103.20
  6. Step 6: Final answer
    x = 28,694,691.51

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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.