Home / 163,301,986.80-244,952,980.20-42,133,438.80

Finding the Fourth Proportional to 163,301,986.80, 244,952,980.20 and 42,133,438.80

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Solution

The fourth proportional to 163,301,986.80, 244,952,980.20 and 42,133,438.80 is: 63,200,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,301,986.80 : 244,952,980.20 = 42,133,438.80 : x
  2. Step 2: Convert to fraction form
    163,301,986.80/244,952,980.20 = 42,133,438.80/x
  3. Step 3: Cross multiply
    163,301,986.80x = 244,952,980.20 × 42,133,438.80
  4. Step 4: Simplify right side
    163,301,986.80x = 10,320,711,400,134,310
  5. Step 5: Solve for x
    x = 10,320,711,400,134,310/163,301,986.80
  6. Step 6: Final answer
    x = 63,200,158.20

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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.