Home / 74,836,501.60-112,349,230.80-40,320,392.80

Finding the Fourth Proportional to 74,836,501.60, 112,349,230.80 and 40,320,392.80

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Solution

The fourth proportional to 74,836,501.60, 112,349,230.80 and 40,320,392.80 is: 60,531,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836,501.60 : 112,349,230.80 = 40,320,392.80 : x
  2. Step 2: Convert to fraction form
    74,836,501.60/112,349,230.80 = 40,320,392.80/x
  3. Step 3: Cross multiply
    74,836,501.60x = 112,349,230.80 × 40,320,392.80
  4. Step 4: Simplify right side
    74,836,501.60x = 4,529,965,116,633,858
  5. Step 5: Solve for x
    x = 4,529,965,116,633,858/74,836,501.60
  6. Step 6: Final answer
    x = 60,531,492.25

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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.