Home / 43,889,675.58-65,786,994.86-28,547,928.90

Finding the Fourth Proportional to 43,889,675.58, 65,786,994.86 and 28,547,928.90

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Solution

The fourth proportional to 43,889,675.58, 65,786,994.86 and 28,547,928.90 is: 42,790,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889,675.58 : 65,786,994.86 = 28,547,928.90 : x
  2. Step 2: Convert to fraction form
    43,889,675.58/65,786,994.86 = 28,547,928.90/x
  3. Step 3: Cross multiply
    43,889,675.58x = 65,786,994.86 × 28,547,928.90
  4. Step 4: Simplify right side
    43,889,675.58x = 1,878,082,451,665,205.50
  5. Step 5: Solve for x
    x = 1,878,082,451,665,205.50/43,889,675.58
  6. Step 6: Final answer
    x = 42,790,985.05

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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.