Home / 196,293,155.64-270,880,999.02-106,985,872.44

Finding the Fourth Proportional to 196,293,155.64, 270,880,999.02 and 106,985,872.44

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Solution

The fourth proportional to 196,293,155.64, 270,880,999.02 and 106,985,872.44 is: 147,638,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,293,155.64 : 270,880,999.02 = 106,985,872.44 : x
  2. Step 2: Convert to fraction form
    196,293,155.64/270,880,999.02 = 106,985,872.44/x
  3. Step 3: Cross multiply
    196,293,155.64x = 270,880,999.02 × 106,985,872.44
  4. Step 4: Simplify right side
    196,293,155.64x = 28,980,440,007,573,484
  5. Step 5: Solve for x
    x = 28,980,440,007,573,484/196,293,155.64
  6. Step 6: Final answer
    x = 147,638,565.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.