Home / 140,544,709.20-210,817,063.80-92,327,288.40

Finding the Fourth Proportional to 140,544,709.20, 210,817,063.80 and 92,327,288.40

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Solution

The fourth proportional to 140,544,709.20, 210,817,063.80 and 92,327,288.40 is: 138,490,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544,709.20 : 210,817,063.80 = 92,327,288.40 : x
  2. Step 2: Convert to fraction form
    140,544,709.20/210,817,063.80 = 92,327,288.40/x
  3. Step 3: Cross multiply
    140,544,709.20x = 210,817,063.80 × 92,327,288.40
  4. Step 4: Simplify right side
    140,544,709.20x = 19,464,167,849,103,804
  5. Step 5: Solve for x
    x = 19,464,167,849,103,804/140,544,709.20
  6. Step 6: Final answer
    x = 138,490,932.60

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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.