Home / 196,681,196.89-271,412,938.11-108,573,303.52

Finding the Fourth Proportional to 196,681,196.89, 271,412,938.11 and 108,573,303.52

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Solution

The fourth proportional to 196,681,196.89, 271,412,938.11 and 108,573,303.52 is: 149,827,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,681,196.89 : 271,412,938.11 = 108,573,303.52 : x
  2. Step 2: Convert to fraction form
    196,681,196.89/271,412,938.11 = 108,573,303.52/x
  3. Step 3: Cross multiply
    196,681,196.89x = 271,412,938.11 × 108,573,303.52
  4. Step 4: Simplify right side
    196,681,196.89x = 29,468,199,308,672,004
  5. Step 5: Solve for x
    x = 29,468,199,308,672,004/196,681,196.89
  6. Step 6: Final answer
    x = 149,827,231.96

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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.