Home / 172,905,489-238,611,458.88-94,587,360.93

Finding the Fourth Proportional to 172,905,489, 238,611,458.88 and 94,587,360.93

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Solution

The fourth proportional to 172,905,489, 238,611,458.88 and 94,587,360.93 is: 130,531,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,905,489 : 238,611,458.88 = 94,587,360.93 : x
  2. Step 2: Convert to fraction form
    172,905,489/238,611,458.88 = 94,587,360.93/x
  3. Step 3: Cross multiply
    172,905,489x = 238,611,458.88 × 94,587,360.93
  4. Step 4: Simplify right side
    172,905,489x = 22,569,628,183,116,416
  5. Step 5: Solve for x
    x = 22,569,628,183,116,416/172,905,489
  6. Step 6: Final answer
    x = 130,531,588.75

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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.