Home / 370,786,972.80-556,180,459.20-111,975,205.80

Finding the Fourth Proportional to 370,786,972.80, 556,180,459.20 and 111,975,205.80

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Solution

The fourth proportional to 370,786,972.80, 556,180,459.20 and 111,975,205.80 is: 167,962,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,786,972.80 : 556,180,459.20 = 111,975,205.80 : x
  2. Step 2: Convert to fraction form
    370,786,972.80/556,180,459.20 = 111,975,205.80/x
  3. Step 3: Cross multiply
    370,786,972.80x = 556,180,459.20 × 111,975,205.80
  4. Step 4: Simplify right side
    370,786,972.80x = 62,278,421,380,858,504
  5. Step 5: Solve for x
    x = 62,278,421,380,858,504/370,786,972.80
  6. Step 6: Final answer
    x = 167,962,808.70

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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.