Home / 53,295,860.20-79,894,803.42-19,208,863.72

Finding the Fourth Proportional to 53,295,860.20, 79,894,803.42 and 19,208,863.72

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Solution

The fourth proportional to 53,295,860.20, 79,894,803.42 and 19,208,863.72 is: 28,795,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295,860.20 : 79,894,803.42 = 19,208,863.72 : x
  2. Step 2: Convert to fraction form
    53,295,860.20/79,894,803.42 = 19,208,863.72/x
  3. Step 3: Cross multiply
    53,295,860.20x = 79,894,803.42 × 19,208,863.72
  4. Step 4: Simplify right side
    53,295,860.20x = 1,534,688,390,830,969.75
  5. Step 5: Solve for x
    x = 1,534,688,390,830,969.75/53,295,860.20
  6. Step 6: Final answer
    x = 28,795,639.76

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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.