Home / 100,759,585.57-139,091,130.79-67,738,986.59

Finding the Fourth Proportional to 100,759,585.57, 139,091,130.79 and 67,738,986.59

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Solution

The fourth proportional to 100,759,585.57, 139,091,130.79 and 67,738,986.59 is: 93,508,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,759,585.57 : 139,091,130.79 = 67,738,986.59 : x
  2. Step 2: Convert to fraction form
    100,759,585.57/139,091,130.79 = 67,738,986.59/x
  3. Step 3: Cross multiply
    100,759,585.57x = 139,091,130.79 × 67,738,986.59
  4. Step 4: Simplify right side
    100,759,585.57x = 9,421,892,242,506,942
  5. Step 5: Solve for x
    x = 9,421,892,242,506,942/100,759,585.57
  6. Step 6: Final answer
    x = 93,508,644.26

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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.