Home / 172,905,491-238,611,461.64-94,587,362.93

Finding the Fourth Proportional to 172,905,491, 238,611,461.64 and 94,587,362.93

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Solution

The fourth proportional to 172,905,491, 238,611,461.64 and 94,587,362.93 is: 130,531,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,905,491 : 238,611,461.64 = 94,587,362.93 : x
  2. Step 2: Convert to fraction form
    172,905,491/238,611,461.64 = 94,587,362.93/x
  3. Step 3: Cross multiply
    172,905,491x = 238,611,461.64 × 94,587,362.93
  4. Step 4: Simplify right side
    172,905,491x = 22,569,628,921,400,452
  5. Step 5: Solve for x
    x = 22,569,628,921,400,452/172,905,491
  6. Step 6: Final answer
    x = 130,531,591.51

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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.