Home / 38,991,318.40-58,612,948.80-35,968,009.60

Finding the Fourth Proportional to 38,991,318.40, 58,612,948.80 and 35,968,009.60

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Solution

The fourth proportional to 38,991,318.40, 58,612,948.80 and 35,968,009.60 is: 54,068,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991,318.40 : 58,612,948.80 = 35,968,009.60 : x
  2. Step 2: Convert to fraction form
    38,991,318.40/58,612,948.80 = 35,968,009.60/x
  3. Step 3: Cross multiply
    38,991,318.40x = 58,612,948.80 × 35,968,009.60
  4. Step 4: Simplify right side
    38,991,318.40x = 2,108,191,105,122,708.50
  5. Step 5: Solve for x
    x = 2,108,191,105,122,708.50/38,991,318.40
  6. Step 6: Final answer
    x = 54,068,218.05

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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.