Home / 60,485,013.60-90,727,520.40-20,095,497.60

Finding the Fourth Proportional to 60,485,013.60, 90,727,520.40 and 20,095,497.60

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Solution

The fourth proportional to 60,485,013.60, 90,727,520.40 and 20,095,497.60 is: 30,143,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,485,013.60 : 90,727,520.40 = 20,095,497.60 : x
  2. Step 2: Convert to fraction form
    60,485,013.60/90,727,520.40 = 20,095,497.60/x
  3. Step 3: Cross multiply
    60,485,013.60x = 90,727,520.40 × 20,095,497.60
  4. Step 4: Simplify right side
    60,485,013.60x = 1,823,214,668,452,151.25
  5. Step 5: Solve for x
    x = 1,823,214,668,452,151.25/60,485,013.60
  6. Step 6: Final answer
    x = 30,143,246.40

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1.5x scale

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.