Home / 172,905,367.50-238,611,291.21-94,587,239.43

Finding the Fourth Proportional to 172,905,367.50, 238,611,291.21 and 94,587,239.43

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Solution

The fourth proportional to 172,905,367.50, 238,611,291.21 and 94,587,239.43 is: 130,531,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,905,367.50 : 238,611,291.21 = 94,587,239.43 : x
  2. Step 2: Convert to fraction form
    172,905,367.50/238,611,291.21 = 94,587,239.43/x
  3. Step 3: Cross multiply
    172,905,367.50x = 238,611,291.21 × 94,587,239.43
  4. Step 4: Simplify right side
    172,905,367.50x = 22,569,583,332,381,728
  5. Step 5: Solve for x
    x = 22,569,583,332,381,728/172,905,367.50
  6. Step 6: Final answer
    x = 130,531,421.08

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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.