Home / 144,966,904.80-217,303,390.80-72,071,570.40

Finding the Fourth Proportional to 144,966,904.80, 217,303,390.80 and 72,071,570.40

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Solution

The fourth proportional to 144,966,904.80, 217,303,390.80 and 72,071,570.40 is: 108,034,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,966,904.80 : 217,303,390.80 = 72,071,570.40 : x
  2. Step 2: Convert to fraction form
    144,966,904.80/217,303,390.80 = 72,071,570.40/x
  3. Step 3: Cross multiply
    144,966,904.80x = 217,303,390.80 × 72,071,570.40
  4. Step 4: Simplify right side
    144,966,904.80x = 15,661,396,628,200,914
  5. Step 5: Solve for x
    x = 15,661,396,628,200,914/144,966,904.80
  6. Step 6: Final answer
    x = 108,034,289.96

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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.