Home / 285,130,214.40-427,589,033.40-112,571,321.70

Finding the Fourth Proportional to 285,130,214.40, 427,589,033.40 and 112,571,321.70

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Solution

The fourth proportional to 285,130,214.40, 427,589,033.40 and 112,571,321.70 is: 168,815,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,214.40 : 427,589,033.40 = 112,571,321.70 : x
  2. Step 2: Convert to fraction form
    285,130,214.40/427,589,033.40 = 112,571,321.70/x
  3. Step 3: Cross multiply
    285,130,214.40x = 427,589,033.40 × 112,571,321.70
  4. Step 4: Simplify right side
    285,130,214.40x = 48,134,262,634,263,440
  5. Step 5: Solve for x
    x = 48,134,262,634,263,440/285,130,214.40
  6. Step 6: Final answer
    x = 168,815,019.26

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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.