Home / 88,575,078.40-132,756,329.40-45,422,069.20

Finding the Fourth Proportional to 88,575,078.40, 132,756,329.40 and 45,422,069.20

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Solution

The fourth proportional to 88,575,078.40, 132,756,329.40 and 45,422,069.20 is: 68,078,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,575,078.40 : 132,756,329.40 = 45,422,069.20 : x
  2. Step 2: Convert to fraction form
    88,575,078.40/132,756,329.40 = 45,422,069.20/x
  3. Step 3: Cross multiply
    88,575,078.40x = 132,756,329.40 × 45,422,069.20
  4. Step 4: Simplify right side
    88,575,078.40x = 6,030,067,180,744,795
  5. Step 5: Solve for x
    x = 6,030,067,180,744,795/88,575,078.40
  6. Step 6: Final answer
    x = 68,078,598.29

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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.