Home / 78,088,546.26-117,133,815.78-29,553,368.22

Finding the Fourth Proportional to 78,088,546.26, 117,133,815.78 and 29,553,368.22

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Solution

The fourth proportional to 78,088,546.26, 117,133,815.78 and 29,553,368.22 is: 44,330,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,088,546.26 : 117,133,815.78 = 29,553,368.22 : x
  2. Step 2: Convert to fraction form
    78,088,546.26/117,133,815.78 = 29,553,368.22/x
  3. Step 3: Cross multiply
    78,088,546.26x = 117,133,815.78 × 29,553,368.22
  4. Step 4: Simplify right side
    78,088,546.26x = 3,461,698,788,759,986.50
  5. Step 5: Solve for x
    x = 3,461,698,788,759,986.50/78,088,546.26
  6. Step 6: Final answer
    x = 44,330,429.42

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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.