Home / 318,877,440.44-478,316,166.24-76,540,344.44

Finding the Fourth Proportional to 318,877,440.44, 478,316,166.24 and 76,540,344.44

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Solution

The fourth proportional to 318,877,440.44, 478,316,166.24 and 76,540,344.44 is: 114,810,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,877,440.44 : 478,316,166.24 = 76,540,344.44 : x
  2. Step 2: Convert to fraction form
    318,877,440.44/478,316,166.24 = 76,540,344.44/x
  3. Step 3: Cross multiply
    318,877,440.44x = 478,316,166.24 × 76,540,344.44
  4. Step 4: Simplify right side
    318,877,440.44x = 36,610,484,115,229,896
  5. Step 5: Solve for x
    x = 36,610,484,115,229,896/318,877,440.44
  6. Step 6: Final answer
    x = 114,810,518.00

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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.