Home / 53,499,111.66-80,223,370.41-20,725,031.02

Finding the Fourth Proportional to 53,499,111.66, 80,223,370.41 and 20,725,031.02

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Solution

The fourth proportional to 53,499,111.66, 80,223,370.41 and 20,725,031.02 is: 31,077,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,499,111.66 : 80,223,370.41 = 20,725,031.02 : x
  2. Step 2: Convert to fraction form
    53,499,111.66/80,223,370.41 = 20,725,031.02/x
  3. Step 3: Cross multiply
    53,499,111.66x = 80,223,370.41 × 20,725,031.02
  4. Step 4: Simplify right side
    53,499,111.66x = 1,662,631,840,276,200
  5. Step 5: Solve for x
    x = 1,662,631,840,276,200/53,499,111.66
  6. Step 6: Final answer
    x = 31,077,746.69

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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.