Home / 431,054,410.80-646,518,630.60-124,314,538.80

Finding the Fourth Proportional to 431,054,410.80, 646,518,630.60 and 124,314,538.80

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Solution

The fourth proportional to 431,054,410.80, 646,518,630.60 and 124,314,538.80 is: 186,453,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,054,410.80 : 646,518,630.60 = 124,314,538.80 : x
  2. Step 2: Convert to fraction form
    431,054,410.80/646,518,630.60 = 124,314,538.80/x
  3. Step 3: Cross multiply
    431,054,410.80x = 646,518,630.60 × 124,314,538.80
  4. Step 4: Simplify right side
    431,054,410.80x = 80,371,665,388,646,576
  5. Step 5: Solve for x
    x = 80,371,665,388,646,576/431,054,410.80
  6. Step 6: Final answer
    x = 186,453,643.38

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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.