Home / 74,391,800.85-102,668,990.00-45,039,308.49

Finding the Fourth Proportional to 74,391,800.85, 102,668,990.00 and 45,039,308.49

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Solution

The fourth proportional to 74,391,800.85, 102,668,990.00 and 45,039,308.49 is: 62,159,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,391,800.85 : 102,668,990.00 = 45,039,308.49 : x
  2. Step 2: Convert to fraction form
    74,391,800.85/102,668,990.00 = 45,039,308.49/x
  3. Step 3: Cross multiply
    74,391,800.85x = 102,668,990.00 × 45,039,308.49
  4. Step 4: Simplify right side
    74,391,800.85x = 4,624,140,312,741,529
  5. Step 5: Solve for x
    x = 4,624,140,312,741,529/74,391,800.85
  6. Step 6: Final answer
    x = 62,159,273.74

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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.