Home / 172,980,436.07-238,712,847.12-97,642,622.41

Finding the Fourth Proportional to 172,980,436.07, 238,712,847.12 and 97,642,622.41

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Solution

The fourth proportional to 172,980,436.07, 238,712,847.12 and 97,642,622.41 is: 134,746,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,980,436.07 : 238,712,847.12 = 97,642,622.41 : x
  2. Step 2: Convert to fraction form
    172,980,436.07/238,712,847.12 = 97,642,622.41/x
  3. Step 3: Cross multiply
    172,980,436.07x = 238,712,847.12 × 97,642,622.41
  4. Step 4: Simplify right side
    172,980,436.07x = 23,308,548,395,157,436
  5. Step 5: Solve for x
    x = 23,308,548,395,157,436/172,980,436.07
  6. Step 6: Final answer
    x = 134,746,731.62

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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.