Home / 279,080,172.02-418,588,316.19-74,624,190.50

Finding the Fourth Proportional to 279,080,172.02, 418,588,316.19 and 74,624,190.50

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Solution

The fourth proportional to 279,080,172.02, 418,588,316.19 and 74,624,190.50 is: 111,927,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080,172.02 : 418,588,316.19 = 74,624,190.50 : x
  2. Step 2: Convert to fraction form
    279,080,172.02/418,588,316.19 = 74,624,190.50/x
  3. Step 3: Cross multiply
    279,080,172.02x = 418,588,316.19 × 74,624,190.50
  4. Step 4: Simplify right side
    279,080,172.02x = 31,236,814,249,483,264
  5. Step 5: Solve for x
    x = 31,236,814,249,483,264/279,080,172.02
  6. Step 6: Final answer
    x = 111,927,744.72

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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.