Home / 240,509,430.30-360,764,145.45-119,577,078.30

Finding the Fourth Proportional to 240,509,430.30, 360,764,145.45 and 119,577,078.30

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Solution

The fourth proportional to 240,509,430.30, 360,764,145.45 and 119,577,078.30 is: 179,365,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,509,430.30 : 360,764,145.45 = 119,577,078.30 : x
  2. Step 2: Convert to fraction form
    240,509,430.30/360,764,145.45 = 119,577,078.30/x
  3. Step 3: Cross multiply
    240,509,430.30x = 360,764,145.45 × 119,577,078.30
  4. Step 4: Simplify right side
    240,509,430.30x = 43,139,122,468,307,240
  5. Step 5: Solve for x
    x = 43,139,122,468,307,240/240,509,430.30
  6. Step 6: Final answer
    x = 179,365,617.45

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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.