Home / 53,280,111.60-79,920,167.40-17,378,319.60

Finding the Fourth Proportional to 53,280,111.60, 79,920,167.40 and 17,378,319.60

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Solution

The fourth proportional to 53,280,111.60, 79,920,167.40 and 17,378,319.60 is: 26,067,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280,111.60 : 79,920,167.40 = 17,378,319.60 : x
  2. Step 2: Convert to fraction form
    53,280,111.60/79,920,167.40 = 17,378,319.60/x
  3. Step 3: Cross multiply
    53,280,111.60x = 79,920,167.40 × 17,378,319.60
  4. Step 4: Simplify right side
    53,280,111.60x = 1,388,878,211,562,701.25
  5. Step 5: Solve for x
    x = 1,388,878,211,562,701.25/53,280,111.60
  6. Step 6: Final answer
    x = 26,067,479.40

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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.