Home / 111,788,548.97-167,834,034-77,158,852.86

Finding the Fourth Proportional to 111,788,548.97, 167,834,034 and 77,158,852.86

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Solution

The fourth proportional to 111,788,548.97, 167,834,034 and 77,158,852.86 is: 115,842,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,788,548.97 : 167,834,034 = 77,158,852.86 : x
  2. Step 2: Convert to fraction form
    111,788,548.97/167,834,034 = 77,158,852.86/x
  3. Step 3: Cross multiply
    111,788,548.97x = 167,834,034 × 77,158,852.86
  4. Step 4: Simplify right side
    111,788,548.97x = 12,949,881,534,306,238
  5. Step 5: Solve for x
    x = 12,949,881,534,306,238/111,788,548.97
  6. Step 6: Final answer
    x = 115,842,648.05

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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.