Home / 53,042,896.60-79,564,344.90-40,288,312.60

Finding the Fourth Proportional to 53,042,896.60, 79,564,344.90 and 40,288,312.60

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Solution

The fourth proportional to 53,042,896.60, 79,564,344.90 and 40,288,312.60 is: 60,432,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042,896.60 : 79,564,344.90 = 40,288,312.60 : x
  2. Step 2: Convert to fraction form
    53,042,896.60/79,564,344.90 = 40,288,312.60/x
  3. Step 3: Cross multiply
    53,042,896.60x = 79,564,344.90 × 40,288,312.60
  4. Step 4: Simplify right side
    53,042,896.60x = 3,205,513,199,145,416
  5. Step 5: Solve for x
    x = 3,205,513,199,145,416/53,042,896.60
  6. Step 6: Final answer
    x = 60,432,468.90

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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.