Home / 140,205,431.87-210,120,156.14-109,118,624.52

Finding the Fourth Proportional to 140,205,431.87, 210,120,156.14 and 109,118,624.52

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Solution

The fourth proportional to 140,205,431.87, 210,120,156.14 and 109,118,624.52 is: 163,531,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,431.87 : 210,120,156.14 = 109,118,624.52 : x
  2. Step 2: Convert to fraction form
    140,205,431.87/210,120,156.14 = 109,118,624.52/x
  3. Step 3: Cross multiply
    140,205,431.87x = 210,120,156.14 × 109,118,624.52
  4. Step 4: Simplify right side
    140,205,431.87x = 22,928,022,421,924,432
  5. Step 5: Solve for x
    x = 22,928,022,421,924,432/140,205,431.87
  6. Step 6: Final answer
    x = 163,531,627.25

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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.