Home / 209,952,208.80-314,928,313.20-148,730,205.60

Finding the Fourth Proportional to 209,952,208.80, 314,928,313.20 and 148,730,205.60

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Solution

The fourth proportional to 209,952,208.80, 314,928,313.20 and 148,730,205.60 is: 223,095,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,208.80 : 314,928,313.20 = 148,730,205.60 : x
  2. Step 2: Convert to fraction form
    209,952,208.80/314,928,313.20 = 148,730,205.60/x
  3. Step 3: Cross multiply
    209,952,208.80x = 314,928,313.20 × 148,730,205.60
  4. Step 4: Simplify right side
    209,952,208.80x = 46,839,352,771,497,192
  5. Step 5: Solve for x
    x = 46,839,352,771,497,192/209,952,208.80
  6. Step 6: Final answer
    x = 223,095,308.40

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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.