Home / 194,017,695.20-291,239,119.20-121,316,566.40

Finding the Fourth Proportional to 194,017,695.20, 291,239,119.20 and 121,316,566.40

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Solution

The fourth proportional to 194,017,695.20, 291,239,119.20 and 121,316,566.40 is: 182,107,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,695.20 : 291,239,119.20 = 121,316,566.40 : x
  2. Step 2: Convert to fraction form
    194,017,695.20/291,239,119.20 = 121,316,566.40/x
  3. Step 3: Cross multiply
    194,017,695.20x = 291,239,119.20 × 121,316,566.40
  4. Step 4: Simplify right side
    194,017,695.20x = 35,332,129,942,704,316
  5. Step 5: Solve for x
    x = 35,332,129,942,704,316/194,017,695.20
  6. Step 6: Final answer
    x = 182,107,770.67

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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.