Home / 141,993,728.90-212,990,593.35-126,688,228.10

Finding the Fourth Proportional to 141,993,728.90, 212,990,593.35 and 126,688,228.10

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Solution

The fourth proportional to 141,993,728.90, 212,990,593.35 and 126,688,228.10 is: 190,032,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,993,728.90 : 212,990,593.35 = 126,688,228.10 : x
  2. Step 2: Convert to fraction form
    141,993,728.90/212,990,593.35 = 126,688,228.10/x
  3. Step 3: Cross multiply
    141,993,728.90x = 212,990,593.35 × 126,688,228.10
  4. Step 4: Simplify right side
    141,993,728.90x = 26,983,400,873,479,140
  5. Step 5: Solve for x
    x = 26,983,400,873,479,140/141,993,728.90
  6. Step 6: Final answer
    x = 190,032,342.15

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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.