Home / 130,734,847.60-195,598,386.60-85,385,215.60

Finding the Fourth Proportional to 130,734,847.60, 195,598,386.60 and 85,385,215.60

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Solution

The fourth proportional to 130,734,847.60, 195,598,386.60 and 85,385,215.60 is: 127,748,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,847.60 : 195,598,386.60 = 85,385,215.60 : x
  2. Step 2: Convert to fraction form
    130,734,847.60/195,598,386.60 = 85,385,215.60/x
  3. Step 3: Cross multiply
    130,734,847.60x = 195,598,386.60 × 85,385,215.60
  4. Step 4: Simplify right side
    130,734,847.60x = 16,701,210,410,853,150
  5. Step 5: Solve for x
    x = 16,701,210,410,853,150/130,734,847.60
  6. Step 6: Final answer
    x = 127,748,727.42

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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.