Home / 130,914,478.80-196,340,225.40-40,038,855.12

Finding the Fourth Proportional to 130,914,478.80, 196,340,225.40 and 40,038,855.12

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Solution

The fourth proportional to 130,914,478.80, 196,340,225.40 and 40,038,855.12 is: 60,048,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914,478.80 : 196,340,225.40 = 40,038,855.12 : x
  2. Step 2: Convert to fraction form
    130,914,478.80/196,340,225.40 = 40,038,855.12/x
  3. Step 3: Cross multiply
    130,914,478.80x = 196,340,225.40 × 40,038,855.12
  4. Step 4: Simplify right side
    130,914,478.80x = 7,861,237,839,018,744
  5. Step 5: Solve for x
    x = 7,861,237,839,018,744/130,914,478.80
  6. Step 6: Final answer
    x = 60,048,650.93

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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.