Home / 71,157,078.88-98,196,852.80-38,562,030.88

Finding the Fourth Proportional to 71,157,078.88, 98,196,852.80 and 38,562,030.88

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Solution

The fourth proportional to 71,157,078.88, 98,196,852.80 and 38,562,030.88 is: 53,215,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157,078.88 : 98,196,852.80 = 38,562,030.88 : x
  2. Step 2: Convert to fraction form
    71,157,078.88/98,196,852.80 = 38,562,030.88/x
  3. Step 3: Cross multiply
    71,157,078.88x = 98,196,852.80 × 38,562,030.88
  4. Step 4: Simplify right side
    71,157,078.88x = 3,786,670,069,992,414.50
  5. Step 5: Solve for x
    x = 3,786,670,069,992,414.50/71,157,078.88
  6. Step 6: Final answer
    x = 53,215,648.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.