Home / 209,985,005.80-314,977,508.70-73,684,167.40

Finding the Fourth Proportional to 209,985,005.80, 314,977,508.70 and 73,684,167.40

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Solution

The fourth proportional to 209,985,005.80, 314,977,508.70 and 73,684,167.40 is: 110,526,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,985,005.80 : 314,977,508.70 = 73,684,167.40 : x
  2. Step 2: Convert to fraction form
    209,985,005.80/314,977,508.70 = 73,684,167.40/x
  3. Step 3: Cross multiply
    209,985,005.80x = 314,977,508.70 × 73,684,167.40
  4. Step 4: Simplify right side
    209,985,005.80x = 23,208,855,478,285,756
  5. Step 5: Solve for x
    x = 23,208,855,478,285,756/209,985,005.80
  6. Step 6: Final answer
    x = 110,526,251.10

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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.