Home / 139,955,294.60-209,778,977.10-49,032,081.80

Finding the Fourth Proportional to 139,955,294.60, 209,778,977.10 and 49,032,081.80

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Solution

The fourth proportional to 139,955,294.60, 209,778,977.10 and 49,032,081.80 is: 73,494,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,955,294.60 : 209,778,977.10 = 49,032,081.80 : x
  2. Step 2: Convert to fraction form
    139,955,294.60/209,778,977.10 = 49,032,081.80/x
  3. Step 3: Cross multiply
    139,955,294.60x = 209,778,977.10 × 49,032,081.80
  4. Step 4: Simplify right side
    139,955,294.60x = 10,285,899,965,087,526
  5. Step 5: Solve for x
    x = 10,285,899,965,087,526/139,955,294.60
  6. Step 6: Final answer
    x = 73,494,182.51

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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.