Home / 261,748,709.80-392,619,378.30-118,141,311.40

Finding the Fourth Proportional to 261,748,709.80, 392,619,378.30 and 118,141,311.40

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Solution

The fourth proportional to 261,748,709.80, 392,619,378.30 and 118,141,311.40 is: 177,210,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,748,709.80 : 392,619,378.30 = 118,141,311.40 : x
  2. Step 2: Convert to fraction form
    261,748,709.80/392,619,378.30 = 118,141,311.40/x
  3. Step 3: Cross multiply
    261,748,709.80x = 392,619,378.30 × 118,141,311.40
  4. Step 4: Simplify right side
    261,748,709.80x = 46,384,568,233,414,704
  5. Step 5: Solve for x
    x = 46,384,568,233,414,704/261,748,709.80
  6. Step 6: Final answer
    x = 177,210,303.23

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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.