Home / 122,090,531.87-168,484,895.42-67,089,931.31

Finding the Fourth Proportional to 122,090,531.87, 168,484,895.42 and 67,089,931.31

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Solution

The fourth proportional to 122,090,531.87, 168,484,895.42 and 67,089,931.31 is: 92,584,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,090,531.87 : 168,484,895.42 = 67,089,931.31 : x
  2. Step 2: Convert to fraction form
    122,090,531.87/168,484,895.42 = 67,089,931.31/x
  3. Step 3: Cross multiply
    122,090,531.87x = 168,484,895.42 × 67,089,931.31
  4. Step 4: Simplify right side
    122,090,531.87x = 11,303,640,059,322,458
  5. Step 5: Solve for x
    x = 11,303,640,059,322,458/122,090,531.87
  6. Step 6: Final answer
    x = 92,584,084.01

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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.