Home / 30,899,155.51-42,640,558.50-16,960,097.80

Finding the Fourth Proportional to 30,899,155.51, 42,640,558.50 and 16,960,097.80

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Solution

The fourth proportional to 30,899,155.51, 42,640,558.50 and 16,960,097.80 is: 23,404,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899,155.51 : 42,640,558.50 = 16,960,097.80 : x
  2. Step 2: Convert to fraction form
    30,899,155.51/42,640,558.50 = 16,960,097.80/x
  3. Step 3: Cross multiply
    30,899,155.51x = 42,640,558.50 × 16,960,097.80
  4. Step 4: Simplify right side
    30,899,155.51x = 723,188,042,406,621.38
  5. Step 5: Solve for x
    x = 723,188,042,406,621.38/30,899,155.51
  6. Step 6: Final answer
    x = 23,404,783.41

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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.