Home / 72,488,426.49-108,678,329.78-43,727,858.01

Finding the Fourth Proportional to 72,488,426.49, 108,678,329.78 and 43,727,858.01

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Solution

The fourth proportional to 72,488,426.49, 108,678,329.78 and 43,727,858.01 is: 65,559,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,488,426.49 : 108,678,329.78 = 43,727,858.01 : x
  2. Step 2: Convert to fraction form
    72,488,426.49/108,678,329.78 = 43,727,858.01/x
  3. Step 3: Cross multiply
    72,488,426.49x = 108,678,329.78 × 43,727,858.01
  4. Step 4: Simplify right side
    72,488,426.49x = 4,752,270,573,165,155
  5. Step 5: Solve for x
    x = 4,752,270,573,165,155/72,488,426.49
  6. Step 6: Final answer
    x = 65,559,025.12

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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.