Home / 53,641,329.40-74,022,846.60-30,435,956.92

Finding the Fourth Proportional to 53,641,329.40, 74,022,846.60 and 30,435,956.92

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Solution

The fourth proportional to 53,641,329.40, 74,022,846.60 and 30,435,956.92 is: 42,000,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,641,329.40 : 74,022,846.60 = 30,435,956.92 : x
  2. Step 2: Convert to fraction form
    53,641,329.40/74,022,846.60 = 30,435,956.92/x
  3. Step 3: Cross multiply
    53,641,329.40x = 74,022,846.60 × 30,435,956.92
  4. Step 4: Simplify right side
    53,641,329.40x = 2,252,956,170,213,368.50
  5. Step 5: Solve for x
    x = 2,252,956,170,213,368.50/53,641,329.40
  6. Step 6: Final answer
    x = 42,000,379.10

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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.