Home / 78,074,946.04-107,743,706.04-43,268,228.68

Finding the Fourth Proportional to 78,074,946.04, 107,743,706.04 and 43,268,228.68

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Solution

The fourth proportional to 78,074,946.04, 107,743,706.04 and 43,268,228.68 is: 59,710,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,074,946.04 : 107,743,706.04 = 43,268,228.68 : x
  2. Step 2: Convert to fraction form
    78,074,946.04/107,743,706.04 = 43,268,228.68/x
  3. Step 3: Cross multiply
    78,074,946.04x = 107,743,706.04 × 43,268,228.68
  4. Step 4: Simplify right side
    78,074,946.04x = 4,661,879,311,769,417
  5. Step 5: Solve for x
    x = 4,661,879,311,769,417/78,074,946.04
  6. Step 6: Final answer
    x = 59,710,311.03

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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.