Home / 82,919,903.40-124,379,855.10-73,353,965.40

Finding the Fourth Proportional to 82,919,903.40, 124,379,855.10 and 73,353,965.40

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Solution

The fourth proportional to 82,919,903.40, 124,379,855.10 and 73,353,965.40 is: 110,030,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919,903.40 : 124,379,855.10 = 73,353,965.40 : x
  2. Step 2: Convert to fraction form
    82,919,903.40/124,379,855.10 = 73,353,965.40/x
  3. Step 3: Cross multiply
    82,919,903.40x = 124,379,855.10 × 73,353,965.40
  4. Step 4: Simplify right side
    82,919,903.40x = 9,123,755,587,462,414
  5. Step 5: Solve for x
    x = 9,123,755,587,462,414/82,919,903.40
  6. Step 6: Final answer
    x = 110,030,948.10

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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.