Home / 113,672,663.01-156,832,466.09-69,573,688.83

Finding the Fourth Proportional to 113,672,663.01, 156,832,466.09 and 69,573,688.83

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Solution

The fourth proportional to 113,672,663.01, 156,832,466.09 and 69,573,688.83 is: 95,989,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,672,663.01 : 156,832,466.09 = 69,573,688.83 : x
  2. Step 2: Convert to fraction form
    113,672,663.01/156,832,466.09 = 69,573,688.83/x
  3. Step 3: Cross multiply
    113,672,663.01x = 156,832,466.09 × 69,573,688.83
  4. Step 4: Simplify right side
    113,672,663.01x = 10,911,413,193,839,318
  5. Step 5: Solve for x
    x = 10,911,413,193,839,318/113,672,663.01
  6. Step 6: Final answer
    x = 95,989,773.66

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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.