Home / 100,791,206.20-151,214,802.90-43,311,014.20

Finding the Fourth Proportional to 100,791,206.20, 151,214,802.90 and 43,311,014.20

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Solution

The fourth proportional to 100,791,206.20, 151,214,802.90 and 43,311,014.20 is: 64,978,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,206.20 : 151,214,802.90 = 43,311,014.20 : x
  2. Step 2: Convert to fraction form
    100,791,206.20/151,214,802.90 = 43,311,014.20/x
  3. Step 3: Cross multiply
    100,791,206.20x = 151,214,802.90 × 43,311,014.20
  4. Step 4: Simplify right side
    100,791,206.20x = 6,549,266,475,652,102
  5. Step 5: Solve for x
    x = 6,549,266,475,652,102/100,791,206.20
  6. Step 6: Final answer
    x = 64,978,550.44

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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.