Home / 216,799,997.37-299,184,283.55-117,680,680.41

Finding the Fourth Proportional to 216,799,997.37, 299,184,283.55 and 117,680,680.41

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Solution

The fourth proportional to 216,799,997.37, 299,184,283.55 and 117,680,680.41 is: 162,399,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,799,997.37 : 299,184,283.55 = 117,680,680.41 : x
  2. Step 2: Convert to fraction form
    216,799,997.37/299,184,283.55 = 117,680,680.41/x
  3. Step 3: Cross multiply
    216,799,997.37x = 299,184,283.55 × 117,680,680.41
  4. Step 4: Simplify right side
    216,799,997.37x = 35,208,210,055,553,968
  5. Step 5: Solve for x
    x = 35,208,210,055,553,968/216,799,997.37
  6. Step 6: Final answer
    x = 162,399,494.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.