Home / 130,478,879.40-195,718,319.10-53,762,418.60

Finding the Fourth Proportional to 130,478,879.40, 195,718,319.10 and 53,762,418.60

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Solution

The fourth proportional to 130,478,879.40, 195,718,319.10 and 53,762,418.60 is: 80,643,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478,879.40 : 195,718,319.10 = 53,762,418.60 : x
  2. Step 2: Convert to fraction form
    130,478,879.40/195,718,319.10 = 53,762,418.60/x
  3. Step 3: Cross multiply
    130,478,879.40x = 195,718,319.10 × 53,762,418.60
  4. Step 4: Simplify right side
    130,478,879.40x = 10,522,290,199,142,576
  5. Step 5: Solve for x
    x = 10,522,290,199,142,576/130,478,879.40
  6. Step 6: Final answer
    x = 80,643,627.90

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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.