Home / 53,144,428.40-79,716,642.60-19,069,218.80

Finding the Fourth Proportional to 53,144,428.40, 79,716,642.60 and 19,069,218.80

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Solution

The fourth proportional to 53,144,428.40, 79,716,642.60 and 19,069,218.80 is: 28,603,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144,428.40 : 79,716,642.60 = 19,069,218.80 : x
  2. Step 2: Convert to fraction form
    53,144,428.40/79,716,642.60 = 19,069,218.80/x
  3. Step 3: Cross multiply
    53,144,428.40x = 79,716,642.60 × 19,069,218.80
  4. Step 4: Simplify right side
    53,144,428.40x = 1,520,134,099,740,800.75
  5. Step 5: Solve for x
    x = 1,520,134,099,740,800.75/53,144,428.40
  6. Step 6: Final answer
    x = 28,603,828.20

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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.