Home / 108,915,630,977.12-163,154,650,953.68-54,234,254,848.32

Finding the Fourth Proportional to 108,915,630,977.12, 163,154,650,953.68 and 54,234,254,848.32

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Solution

The fourth proportional to 108,915,630,977.12, 163,154,650,953.68 and 54,234,254,848.32 is: 81,242,433,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,630,977.12 : 163,154,650,953.68 = 54,234,254,848.32 : x
  2. Step 2: Convert to fraction form
    108,915,630,977.12/163,154,650,953.68 = 54,234,254,848.32/x
  3. Step 3: Cross multiply
    108,915,630,977.12x = 163,154,650,953.68 × 54,234,254,848.32
  4. Step 4: Simplify right side
    108,915,630,977.12x = 8,848,570,919,510,576,463,872
  5. Step 5: Solve for x
    x = 8,848,570,919,510,576,463,872/108,915,630,977.12
  6. Step 6: Final answer
    x = 81,242,433,616.98

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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.