Home / 105,720,009.80-158,370,062.70-93,094,896.20

Finding the Fourth Proportional to 105,720,009.80, 158,370,062.70 and 93,094,896.20

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Solution

The fourth proportional to 105,720,009.80, 158,370,062.70 and 93,094,896.20 is: 139,457,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,720,009.80 : 158,370,062.70 = 93,094,896.20 : x
  2. Step 2: Convert to fraction form
    105,720,009.80/158,370,062.70 = 93,094,896.20/x
  3. Step 3: Cross multiply
    105,720,009.80x = 158,370,062.70 × 93,094,896.20
  4. Step 4: Simplify right side
    105,720,009.80x = 14,743,444,548,243,992
  5. Step 5: Solve for x
    x = 14,743,444,548,243,992/105,720,009.80
  6. Step 6: Final answer
    x = 139,457,464.83

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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.