Home / 450,157,072.79-675,141,130.77-126,965,362.07

Finding the Fourth Proportional to 450,157,072.79, 675,141,130.77 and 126,965,362.07

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Solution

The fourth proportional to 450,157,072.79, 675,141,130.77 and 126,965,362.07 is: 190,421,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,157,072.79 : 675,141,130.77 = 126,965,362.07 : x
  2. Step 2: Convert to fraction form
    450,157,072.79/675,141,130.77 = 126,965,362.07/x
  3. Step 3: Cross multiply
    450,157,072.79x = 675,141,130.77 × 126,965,362.07
  4. Step 4: Simplify right side
    450,157,072.79x = 85,719,538,116,562,256
  5. Step 5: Solve for x
    x = 85,719,538,116,562,256/450,157,072.79
  6. Step 6: Final answer
    x = 190,421,395.77

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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.