Home / 102,249,998.80-153,374,998.20-79,407,221.20

Finding the Fourth Proportional to 102,249,998.80, 153,374,998.20 and 79,407,221.20

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Solution

The fourth proportional to 102,249,998.80, 153,374,998.20 and 79,407,221.20 is: 119,110,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,249,998.80 : 153,374,998.20 = 79,407,221.20 : x
  2. Step 2: Convert to fraction form
    102,249,998.80/153,374,998.20 = 79,407,221.20/x
  3. Step 3: Cross multiply
    102,249,998.80x = 153,374,998.20 × 79,407,221.20
  4. Step 4: Simplify right side
    102,249,998.80x = 12,179,082,408,617,002
  5. Step 5: Solve for x
    x = 12,179,082,408,617,002/102,249,998.80
  6. Step 6: Final answer
    x = 119,110,831.80

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Similar ratio
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1.5x scale

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.