Home / 190,722,980.56-286,127,116.53-69,554,432.56

Finding the Fourth Proportional to 190,722,980.56, 286,127,116.53 and 69,554,432.56

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Solution

The fourth proportional to 190,722,980.56, 286,127,116.53 and 69,554,432.56 is: 104,347,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,722,980.56 : 286,127,116.53 = 69,554,432.56 : x
  2. Step 2: Convert to fraction form
    190,722,980.56/286,127,116.53 = 69,554,432.56/x
  3. Step 3: Cross multiply
    190,722,980.56x = 286,127,116.53 × 69,554,432.56
  4. Step 4: Simplify right side
    190,722,980.56x = 19,901,409,230,273,144
  5. Step 5: Solve for x
    x = 19,901,409,230,273,144/190,722,980.56
  6. Step 6: Final answer
    x = 104,347,201.22

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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.