Home / 111,968,707.86-167,952,916.89-30,087,587.32

Finding the Fourth Proportional to 111,968,707.86, 167,952,916.89 and 30,087,587.32

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Solution

The fourth proportional to 111,968,707.86, 167,952,916.89 and 30,087,587.32 is: 45,131,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,968,707.86 : 167,952,916.89 = 30,087,587.32 : x
  2. Step 2: Convert to fraction form
    111,968,707.86/167,952,916.89 = 30,087,587.32/x
  3. Step 3: Cross multiply
    111,968,707.86x = 167,952,916.89 × 30,087,587.32
  4. Step 4: Simplify right side
    111,968,707.86x = 5,053,298,052,156,695
  5. Step 5: Solve for x
    x = 5,053,298,052,156,695/111,968,707.86
  6. Step 6: Final answer
    x = 45,131,342.04

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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.