Home / 45,609,666.40-68,453,206.80-18,702,632.80

Finding the Fourth Proportional to 45,609,666.40, 68,453,206.80 and 18,702,632.80

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Solution

The fourth proportional to 45,609,666.40, 68,453,206.80 and 18,702,632.80 is: 28,069,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609,666.40 : 68,453,206.80 = 18,702,632.80 : x
  2. Step 2: Convert to fraction form
    45,609,666.40/68,453,206.80 = 18,702,632.80/x
  3. Step 3: Cross multiply
    45,609,666.40x = 68,453,206.80 × 18,702,632.80
  4. Step 4: Simplify right side
    45,609,666.40x = 1,280,255,190,762,863
  5. Step 5: Solve for x
    x = 1,280,255,190,762,863/45,609,666.40
  6. Step 6: Final answer
    x = 28,069,821.42

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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.