Home / 70,155,684.82-96,814,972.74-39,215,835.10

Finding the Fourth Proportional to 70,155,684.82, 96,814,972.74 and 39,215,835.10

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Solution

The fourth proportional to 70,155,684.82, 96,814,972.74 and 39,215,835.10 is: 54,117,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155,684.82 : 96,814,972.74 = 39,215,835.10 : x
  2. Step 2: Convert to fraction form
    70,155,684.82/96,814,972.74 = 39,215,835.10/x
  3. Step 3: Cross multiply
    70,155,684.82x = 96,814,972.74 × 39,215,835.10
  4. Step 4: Simplify right side
    70,155,684.82x = 3,796,680,006,182,835
  5. Step 5: Solve for x
    x = 3,796,680,006,182,835/70,155,684.82
  6. Step 6: Final answer
    x = 54,117,923.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.