Home / 208,116,701.15-312,072,899.25-102,950,535.74

Finding the Fourth Proportional to 208,116,701.15, 312,072,899.25 and 102,950,535.74

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Solution

The fourth proportional to 208,116,701.15, 312,072,899.25 and 102,950,535.74 is: 154,375,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116,701.15 : 312,072,899.25 = 102,950,535.74 : x
  2. Step 2: Convert to fraction form
    208,116,701.15/312,072,899.25 = 102,950,535.74/x
  3. Step 3: Cross multiply
    208,116,701.15x = 312,072,899.25 × 102,950,535.74
  4. Step 4: Simplify right side
    208,116,701.15x = 32,128,072,167,723,516
  5. Step 5: Solve for x
    x = 32,128,072,167,723,516/208,116,701.15
  6. Step 6: Final answer
    x = 154,375,271.14

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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.