Home / 145,745,366.80-218,629,352.40-48,701,421.40

Finding the Fourth Proportional to 145,745,366.80, 218,629,352.40 and 48,701,421.40

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Solution

The fourth proportional to 145,745,366.80, 218,629,352.40 and 48,701,421.40 is: 73,055,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,745,366.80 : 218,629,352.40 = 48,701,421.40 : x
  2. Step 2: Convert to fraction form
    145,745,366.80/218,629,352.40 = 48,701,421.40/x
  3. Step 3: Cross multiply
    145,745,366.80x = 218,629,352.40 × 48,701,421.40
  4. Step 4: Simplify right side
    145,745,366.80x = 10,647,560,221,641,502
  5. Step 5: Solve for x
    x = 10,647,560,221,641,502/145,745,366.80
  6. Step 6: Final answer
    x = 73,055,908.78

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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.