Home / 130,990,315.80-196,485,473.70-40,113,904.80

Finding the Fourth Proportional to 130,990,315.80, 196,485,473.70 and 40,113,904.80

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Solution

The fourth proportional to 130,990,315.80, 196,485,473.70 and 40,113,904.80 is: 60,170,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,990,315.80 : 196,485,473.70 = 40,113,904.80 : x
  2. Step 2: Convert to fraction form
    130,990,315.80/196,485,473.70 = 40,113,904.80/x
  3. Step 3: Cross multiply
    130,990,315.80x = 196,485,473.70 × 40,113,904.80
  4. Step 4: Simplify right side
    130,990,315.80x = 7,881,799,586,584,703
  5. Step 5: Solve for x
    x = 7,881,799,586,584,703/130,990,315.80
  6. Step 6: Final answer
    x = 60,170,857.20

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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.