Home / 82,530,885.40-113,893,653.90-45,365,223.40

Finding the Fourth Proportional to 82,530,885.40, 113,893,653.90 and 45,365,223.40

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Solution

The fourth proportional to 82,530,885.40, 113,893,653.90 and 45,365,223.40 is: 62,604,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530,885.40 : 113,893,653.90 = 45,365,223.40 : x
  2. Step 2: Convert to fraction form
    82,530,885.40/113,893,653.90 = 45,365,223.40/x
  3. Step 3: Cross multiply
    82,530,885.40x = 113,893,653.90 × 45,365,223.40
  4. Step 4: Simplify right side
    82,530,885.40x = 5,166,811,053,015,781
  5. Step 5: Solve for x
    x = 5,166,811,053,015,781/82,530,885.40
  6. Step 6: Final answer
    x = 62,604,575.58

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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.