Home / 121,046,532.40-181,569,798.60-106,685,815.60

Finding the Fourth Proportional to 121,046,532.40, 181,569,798.60 and 106,685,815.60

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Solution

The fourth proportional to 121,046,532.40, 181,569,798.60 and 106,685,815.60 is: 160,028,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,046,532.40 : 181,569,798.60 = 106,685,815.60 : x
  2. Step 2: Convert to fraction form
    121,046,532.40/181,569,798.60 = 106,685,815.60/x
  3. Step 3: Cross multiply
    121,046,532.40x = 181,569,798.60 × 106,685,815.60
  4. Step 4: Simplify right side
    121,046,532.40x = 19,370,922,051,968,736
  5. Step 5: Solve for x
    x = 19,370,922,051,968,736/121,046,532.40
  6. Step 6: Final answer
    x = 160,028,723.40

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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.