Home / 67,932,018.80-93,733,421.60-40,063,512

Finding the Fourth Proportional to 67,932,018.80, 93,733,421.60 and 40,063,512

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Solution

The fourth proportional to 67,932,018.80, 93,733,421.60 and 40,063,512 is: 55,280,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,932,018.80 : 93,733,421.60 = 40,063,512 : x
  2. Step 2: Convert to fraction form
    67,932,018.80/93,733,421.60 = 40,063,512/x
  3. Step 3: Cross multiply
    67,932,018.80x = 93,733,421.60 × 40,063,512
  4. Step 4: Simplify right side
    67,932,018.80x = 3,755,290,061,072,659
  5. Step 5: Solve for x
    x = 3,755,290,061,072,659/67,932,018.80
  6. Step 6: Final answer
    x = 55,280,118.67

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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.