Home / 358,367,707.20-537,551,560.80-143,111,438.40

Finding the Fourth Proportional to 358,367,707.20, 537,551,560.80 and 143,111,438.40

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Solution

The fourth proportional to 358,367,707.20, 537,551,560.80 and 143,111,438.40 is: 214,667,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,367,707.20 : 537,551,560.80 = 143,111,438.40 : x
  2. Step 2: Convert to fraction form
    358,367,707.20/537,551,560.80 = 143,111,438.40/x
  3. Step 3: Cross multiply
    358,367,707.20x = 537,551,560.80 × 143,111,438.40
  4. Step 4: Simplify right side
    358,367,707.20x = 76,929,777,080,253,056
  5. Step 5: Solve for x
    x = 76,929,777,080,253,056/358,367,707.20
  6. Step 6: Final answer
    x = 214,667,157.60

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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.