Home / 168,155,991.20-252,233,986.80-103,249,330.40

Finding the Fourth Proportional to 168,155,991.20, 252,233,986.80 and 103,249,330.40

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Solution

The fourth proportional to 168,155,991.20, 252,233,986.80 and 103,249,330.40 is: 154,873,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,155,991.20 : 252,233,986.80 = 103,249,330.40 : x
  2. Step 2: Convert to fraction form
    168,155,991.20/252,233,986.80 = 103,249,330.40/x
  3. Step 3: Cross multiply
    168,155,991.20x = 252,233,986.80 × 103,249,330.40
  4. Step 4: Simplify right side
    168,155,991.20x = 26,042,990,241,222,440
  5. Step 5: Solve for x
    x = 26,042,990,241,222,440/168,155,991.20
  6. Step 6: Final answer
    x = 154,873,995.60

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1.5x scale

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.