Home / 165,120,903.80-247,680,371.55-42,298,983.80

Finding the Fourth Proportional to 165,120,903.80, 247,680,371.55 and 42,298,983.80

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Solution

The fourth proportional to 165,120,903.80, 247,680,371.55 and 42,298,983.80 is: 63,448,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120,903.80 : 247,680,371.55 = 42,298,983.80 : x
  2. Step 2: Convert to fraction form
    165,120,903.80/247,680,371.55 = 42,298,983.80/x
  3. Step 3: Cross multiply
    165,120,903.80x = 247,680,371.55 × 42,298,983.80
  4. Step 4: Simplify right side
    165,120,903.80x = 10,476,628,023,771,430
  5. Step 5: Solve for x
    x = 10,476,628,023,771,430/165,120,903.80
  6. Step 6: Final answer
    x = 63,448,223.59

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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.