Home / 178,700,706.50-246,580,106.65-100,369,253.12

Finding the Fourth Proportional to 178,700,706.50, 246,580,106.65 and 100,369,253.12

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Solution

The fourth proportional to 178,700,706.50, 246,580,106.65 and 100,369,253.12 is: 138,494,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,700,706.50 : 246,580,106.65 = 100,369,253.12 : x
  2. Step 2: Convert to fraction form
    178,700,706.50/246,580,106.65 = 100,369,253.12/x
  3. Step 3: Cross multiply
    178,700,706.50x = 246,580,106.65 × 100,369,253.12
  4. Step 4: Simplify right side
    178,700,706.50x = 24,749,061,137,226,620
  5. Step 5: Solve for x
    x = 24,749,061,137,226,620/178,700,706.50
  6. Step 6: Final answer
    x = 138,494,478.41

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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.