Home / 140,407,977.30-210,360,023.55-120,252,585.30

Finding the Fourth Proportional to 140,407,977.30, 210,360,023.55 and 120,252,585.30

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Solution

The fourth proportional to 140,407,977.30, 210,360,023.55 and 120,252,585.30 is: 180,163,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,407,977.30 : 210,360,023.55 = 120,252,585.30 : x
  2. Step 2: Convert to fraction form
    140,407,977.30/210,360,023.55 = 120,252,585.30/x
  3. Step 3: Cross multiply
    140,407,977.30x = 210,360,023.55 × 120,252,585.30
  4. Step 4: Simplify right side
    140,407,977.30x = 25,296,336,675,656,384
  5. Step 5: Solve for x
    x = 25,296,336,675,656,384/140,407,977.30
  6. Step 6: Final answer
    x = 180,163,101.57

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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.