Home / 111,392,580.80-167,088,730.43-42,305,255.66

Finding the Fourth Proportional to 111,392,580.80, 167,088,730.43 and 42,305,255.66

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Solution

The fourth proportional to 111,392,580.80, 167,088,730.43 and 42,305,255.66 is: 63,457,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,392,580.80 : 167,088,730.43 = 42,305,255.66 : x
  2. Step 2: Convert to fraction form
    111,392,580.80/167,088,730.43 = 42,305,255.66/x
  3. Step 3: Cross multiply
    111,392,580.80x = 167,088,730.43 × 42,305,255.66
  4. Step 4: Simplify right side
    111,392,580.80x = 7,068,731,459,269,457
  5. Step 5: Solve for x
    x = 7,068,731,459,269,457/111,392,580.80
  6. Step 6: Final answer
    x = 63,457,830.03

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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.