Home / 85,293,087.40-127,939,631.10-30,714,096.70

Finding the Fourth Proportional to 85,293,087.40, 127,939,631.10 and 30,714,096.70

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Solution

The fourth proportional to 85,293,087.40, 127,939,631.10 and 30,714,096.70 is: 46,071,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,293,087.40 : 127,939,631.10 = 30,714,096.70 : x
  2. Step 2: Convert to fraction form
    85,293,087.40/127,939,631.10 = 30,714,096.70/x
  3. Step 3: Cross multiply
    85,293,087.40x = 127,939,631.10 × 30,714,096.70
  4. Step 4: Simplify right side
    85,293,087.40x = 3,929,550,201,367,727
  5. Step 5: Solve for x
    x = 3,929,550,201,367,727/85,293,087.40
  6. Step 6: Final answer
    x = 46,071,145.05

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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.