Home / 79,943,788.80-119,842,202.88-28,813,294.08

Finding the Fourth Proportional to 79,943,788.80, 119,842,202.88 and 28,813,294.08

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Solution

The fourth proportional to 79,943,788.80, 119,842,202.88 and 28,813,294.08 is: 43,193,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,943,788.80 : 119,842,202.88 = 28,813,294.08 : x
  2. Step 2: Convert to fraction form
    79,943,788.80/119,842,202.88 = 28,813,294.08/x
  3. Step 3: Cross multiply
    79,943,788.80x = 119,842,202.88 × 28,813,294.08
  4. Step 4: Simplify right side
    79,943,788.80x = 3,453,048,634,776,462.50
  5. Step 5: Solve for x
    x = 3,453,048,634,776,462.50/79,943,788.80
  6. Step 6: Final answer
    x = 43,193,457.39

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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.