Home / 42,476,721.60-63,730,828.80-16,936,060.80

Finding the Fourth Proportional to 42,476,721.60, 63,730,828.80 and 16,936,060.80

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Solution

The fourth proportional to 42,476,721.60, 63,730,828.80 and 16,936,060.80 is: 25,410,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,476,721.60 : 63,730,828.80 = 16,936,060.80 : x
  2. Step 2: Convert to fraction form
    42,476,721.60/63,730,828.80 = 16,936,060.80/x
  3. Step 3: Cross multiply
    42,476,721.60x = 63,730,828.80 × 16,936,060.80
  4. Step 4: Simplify right side
    42,476,721.60x = 1,079,349,191,391,191
  5. Step 5: Solve for x
    x = 1,079,349,191,391,191/42,476,721.60
  6. Step 6: Final answer
    x = 25,410,369.51

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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.