Home / 43,290,300.80-64,935,451.20-39,385,193.60

Finding the Fourth Proportional to 43,290,300.80, 64,935,451.20 and 39,385,193.60

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Solution

The fourth proportional to 43,290,300.80, 64,935,451.20 and 39,385,193.60 is: 59,077,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,300.80 : 64,935,451.20 = 39,385,193.60 : x
  2. Step 2: Convert to fraction form
    43,290,300.80/64,935,451.20 = 39,385,193.60/x
  3. Step 3: Cross multiply
    43,290,300.80x = 64,935,451.20 × 39,385,193.60
  4. Step 4: Simplify right side
    43,290,300.80x = 2,557,495,317,015,352.50
  5. Step 5: Solve for x
    x = 2,557,495,317,015,352.50/43,290,300.80
  6. Step 6: Final answer
    x = 59,077,790.40

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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.