Home / 78,017,015.24-117,042,294.16-22,685,811.64

Finding the Fourth Proportional to 78,017,015.24, 117,042,294.16 and 22,685,811.64

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Solution

The fourth proportional to 78,017,015.24, 117,042,294.16 and 22,685,811.64 is: 34,033,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,017,015.24 : 117,042,294.16 = 22,685,811.64 : x
  2. Step 2: Convert to fraction form
    78,017,015.24/117,042,294.16 = 22,685,811.64/x
  3. Step 3: Cross multiply
    78,017,015.24x = 117,042,294.16 × 22,685,811.64
  4. Step 4: Simplify right side
    78,017,015.24x = 2,655,199,438,877,911.50
  5. Step 5: Solve for x
    x = 2,655,199,438,877,911.50/78,017,015.24
  6. Step 6: Final answer
    x = 34,033,594.22

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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.