Home / 140,931,123.20-211,396,684.80-123,015,219.20

Finding the Fourth Proportional to 140,931,123.20, 211,396,684.80 and 123,015,219.20

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Solution

The fourth proportional to 140,931,123.20, 211,396,684.80 and 123,015,219.20 is: 184,522,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,931,123.20 : 211,396,684.80 = 123,015,219.20 : x
  2. Step 2: Convert to fraction form
    140,931,123.20/211,396,684.80 = 123,015,219.20/x
  3. Step 3: Cross multiply
    140,931,123.20x = 211,396,684.80 × 123,015,219.20
  4. Step 4: Simplify right side
    140,931,123.20x = 26,005,009,518,825,312
  5. Step 5: Solve for x
    x = 26,005,009,518,825,312/140,931,123.20
  6. Step 6: Final answer
    x = 184,522,828.80

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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.