Home / 140,664,281.40-210,996,422.10-128,123,148.60

Finding the Fourth Proportional to 140,664,281.40, 210,996,422.10 and 128,123,148.60

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Solution

The fourth proportional to 140,664,281.40, 210,996,422.10 and 128,123,148.60 is: 192,184,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664,281.40 : 210,996,422.10 = 128,123,148.60 : x
  2. Step 2: Convert to fraction form
    140,664,281.40/210,996,422.10 = 128,123,148.60/x
  3. Step 3: Cross multiply
    140,664,281.40x = 210,996,422.10 × 128,123,148.60
  4. Step 4: Simplify right side
    140,664,281.40x = 27,033,525,942,786,624
  5. Step 5: Solve for x
    x = 27,033,525,942,786,624/140,664,281.40
  6. Step 6: Final answer
    x = 192,184,722.90

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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.