Home / 152,521,353.79-210,479,603.86-82,906,734.68

Finding the Fourth Proportional to 152,521,353.79, 210,479,603.86 and 82,906,734.68

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Solution

The fourth proportional to 152,521,353.79, 210,479,603.86 and 82,906,734.68 is: 114,411,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521,353.79 : 210,479,603.86 = 82,906,734.68 : x
  2. Step 2: Convert to fraction form
    152,521,353.79/210,479,603.86 = 82,906,734.68/x
  3. Step 3: Cross multiply
    152,521,353.79x = 210,479,603.86 × 82,906,734.68
  4. Step 4: Simplify right side
    152,521,353.79x = 17,450,176,671,512,858
  5. Step 5: Solve for x
    x = 17,450,176,671,512,858/152,521,353.79
  6. Step 6: Final answer
    x = 114,411,367.58

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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.