Home / 118,173,555.66-163,106,716.60-69,296,730.06

Finding the Fourth Proportional to 118,173,555.66, 163,106,716.60 and 69,296,730.06

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Solution

The fourth proportional to 118,173,555.66, 163,106,716.60 and 69,296,730.06 is: 95,645,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173,555.66 : 163,106,716.60 = 69,296,730.06 : x
  2. Step 2: Convert to fraction form
    118,173,555.66/163,106,716.60 = 69,296,730.06/x
  3. Step 3: Cross multiply
    118,173,555.66x = 163,106,716.60 × 69,296,730.06
  4. Step 4: Simplify right side
    118,173,555.66x = 11,302,762,111,203,120
  5. Step 5: Solve for x
    x = 11,302,762,111,203,120/118,173,555.66
  6. Step 6: Final answer
    x = 95,645,443.25

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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.