Home / 30,509,283.88-42,103,538.66-16,758,536.04

Finding the Fourth Proportional to 30,509,283.88, 42,103,538.66 and 16,758,536.04

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Solution

The fourth proportional to 30,509,283.88, 42,103,538.66 and 16,758,536.04 is: 23,127,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,509,283.88 : 42,103,538.66 = 16,758,536.04 : x
  2. Step 2: Convert to fraction form
    30,509,283.88/42,103,538.66 = 16,758,536.04/x
  3. Step 3: Cross multiply
    30,509,283.88x = 42,103,538.66 × 16,758,536.04
  4. Step 4: Simplify right side
    30,509,283.88x = 705,593,670,045,143.25
  5. Step 5: Solve for x
    x = 705,593,670,045,143.25/30,509,283.88
  6. Step 6: Final answer
    x = 23,127,179.02

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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.