Home / 121,562,923.36-167,756,886.04-65,808,342.24

Finding the Fourth Proportional to 121,562,923.36, 167,756,886.04 and 65,808,342.24

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Solution

The fourth proportional to 121,562,923.36, 167,756,886.04 and 65,808,342.24 is: 90,815,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,562,923.36 : 167,756,886.04 = 65,808,342.24 : x
  2. Step 2: Convert to fraction form
    121,562,923.36/167,756,886.04 = 65,808,342.24/x
  3. Step 3: Cross multiply
    121,562,923.36x = 167,756,886.04 × 65,808,342.24
  4. Step 4: Simplify right side
    121,562,923.36x = 11,039,802,569,636,998
  5. Step 5: Solve for x
    x = 11,039,802,569,636,998/121,562,923.36
  6. Step 6: Final answer
    x = 90,815,540.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.