Home / 74,615,207.20-111,922,810.80-45,439,096.30

Finding the Fourth Proportional to 74,615,207.20, 111,922,810.80 and 45,439,096.30

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Solution

The fourth proportional to 74,615,207.20, 111,922,810.80 and 45,439,096.30 is: 68,158,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615,207.20 : 111,922,810.80 = 45,439,096.30 : x
  2. Step 2: Convert to fraction form
    74,615,207.20/111,922,810.80 = 45,439,096.30/x
  3. Step 3: Cross multiply
    74,615,207.20x = 111,922,810.80 × 45,439,096.30
  4. Step 4: Simplify right side
    74,615,207.20x = 5,085,671,378,107,880
  5. Step 5: Solve for x
    x = 5,085,671,378,107,880/74,615,207.20
  6. Step 6: Final answer
    x = 68,158,644.45

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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.