Home / 53,144,429.40-79,716,644.10-19,069,219.80

Finding the Fourth Proportional to 53,144,429.40, 79,716,644.10 and 19,069,219.80

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Solution

The fourth proportional to 53,144,429.40, 79,716,644.10 and 19,069,219.80 is: 28,603,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144,429.40 : 79,716,644.10 = 19,069,219.80 : x
  2. Step 2: Convert to fraction form
    53,144,429.40/79,716,644.10 = 19,069,219.80/x
  3. Step 3: Cross multiply
    53,144,429.40x = 79,716,644.10 × 19,069,219.80
  4. Step 4: Simplify right side
    53,144,429.40x = 1,520,134,208,061,273.25
  5. Step 5: Solve for x
    x = 1,520,134,208,061,273.25/53,144,429.40
  6. Step 6: Final answer
    x = 28,603,829.70

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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.