Home / 123,725,851.80-185,588,777.70-121,812,664.20

Finding the Fourth Proportional to 123,725,851.80, 185,588,777.70 and 121,812,664.20

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Solution

The fourth proportional to 123,725,851.80, 185,588,777.70 and 121,812,664.20 is: 182,718,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,725,851.80 : 185,588,777.70 = 121,812,664.20 : x
  2. Step 2: Convert to fraction form
    123,725,851.80/185,588,777.70 = 121,812,664.20/x
  3. Step 3: Cross multiply
    123,725,851.80x = 185,588,777.70 × 121,812,664.20
  4. Step 4: Simplify right side
    123,725,851.80x = 22,607,063,457,258,548
  5. Step 5: Solve for x
    x = 22,607,063,457,258,548/123,725,851.80
  6. Step 6: Final answer
    x = 182,718,996.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.