Home / 105,003,007.70-157,504,511.55-68,723,302.10

Finding the Fourth Proportional to 105,003,007.70, 157,504,511.55 and 68,723,302.10

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Solution

The fourth proportional to 105,003,007.70, 157,504,511.55 and 68,723,302.10 is: 103,084,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003,007.70 : 157,504,511.55 = 68,723,302.10 : x
  2. Step 2: Convert to fraction form
    105,003,007.70/157,504,511.55 = 68,723,302.10/x
  3. Step 3: Cross multiply
    105,003,007.70x = 157,504,511.55 × 68,723,302.10
  4. Step 4: Simplify right side
    105,003,007.70x = 10,824,230,129,363,590
  5. Step 5: Solve for x
    x = 10,824,230,129,363,590/105,003,007.70
  6. Step 6: Final answer
    x = 103,084,953.15

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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.