Home / 53,259,114.40-79,888,671.60-19,176,031.60

Finding the Fourth Proportional to 53,259,114.40, 79,888,671.60 and 19,176,031.60

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Solution

The fourth proportional to 53,259,114.40, 79,888,671.60 and 19,176,031.60 is: 28,764,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,259,114.40 : 79,888,671.60 = 19,176,031.60 : x
  2. Step 2: Convert to fraction form
    53,259,114.40/79,888,671.60 = 19,176,031.60/x
  3. Step 3: Cross multiply
    53,259,114.40x = 79,888,671.60 × 19,176,031.60
  4. Step 4: Simplify right side
    53,259,114.40x = 1,531,947,691,083,622.50
  5. Step 5: Solve for x
    x = 1,531,947,691,083,622.50/53,259,114.40
  6. Step 6: Final answer
    x = 28,764,047.40

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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.