Home / 121,168,664.80-181,748,331.60-40,389,632.80

Finding the Fourth Proportional to 121,168,664.80, 181,748,331.60 and 40,389,632.80

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Solution

The fourth proportional to 121,168,664.80, 181,748,331.60 and 40,389,632.80 is: 60,582,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,664.80 : 181,748,331.60 = 40,389,632.80 : x
  2. Step 2: Convert to fraction form
    121,168,664.80/181,748,331.60 = 40,389,632.80/x
  3. Step 3: Cross multiply
    121,168,664.80x = 181,748,331.60 × 40,389,632.80
  4. Step 4: Simplify right side
    121,168,664.80x = 7,340,748,375,336,636
  5. Step 5: Solve for x
    x = 7,340,748,375,336,636/121,168,664.80
  6. Step 6: Final answer
    x = 60,582,894.00

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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.