Home / 285,154,415-427,823,739.48-131,901,002.36

Finding the Fourth Proportional to 285,154,415, 427,823,739.48 and 131,901,002.36

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Solution

The fourth proportional to 285,154,415, 427,823,739.48 and 131,901,002.36 is: 197,894,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,154,415 : 427,823,739.48 = 131,901,002.36 : x
  2. Step 2: Convert to fraction form
    285,154,415/427,823,739.48 = 131,901,002.36/x
  3. Step 3: Cross multiply
    285,154,415x = 427,823,739.48 × 131,901,002.36
  4. Step 4: Simplify right side
    285,154,415x = 56,430,380,070,815,504
  5. Step 5: Solve for x
    x = 56,430,380,070,815,504/285,154,415
  6. Step 6: Final answer
    x = 197,894,113.16

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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.