Home / 45,649,432.47-68,312,511.48-28,385,762.96

Finding the Fourth Proportional to 45,649,432.47, 68,312,511.48 and 28,385,762.96

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Solution

The fourth proportional to 45,649,432.47, 68,312,511.48 and 28,385,762.96 is: 42,478,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649,432.47 : 68,312,511.48 = 28,385,762.96 : x
  2. Step 2: Convert to fraction form
    45,649,432.47/68,312,511.48 = 28,385,762.96/x
  3. Step 3: Cross multiply
    45,649,432.47x = 68,312,511.48 × 28,385,762.96
  4. Step 4: Simplify right side
    45,649,432.47x = 1,939,102,757,731,996.25
  5. Step 5: Solve for x
    x = 1,939,102,757,731,996.25/45,649,432.47
  6. Step 6: Final answer
    x = 42,478,135.06

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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.