Home / 301,527,175.20-452,290,762.80-129,021,426.60

Finding the Fourth Proportional to 301,527,175.20, 452,290,762.80 and 129,021,426.60

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Solution

The fourth proportional to 301,527,175.20, 452,290,762.80 and 129,021,426.60 is: 193,532,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,527,175.20 : 452,290,762.80 = 129,021,426.60 : x
  2. Step 2: Convert to fraction form
    301,527,175.20/452,290,762.80 = 129,021,426.60/x
  3. Step 3: Cross multiply
    301,527,175.20x = 452,290,762.80 × 129,021,426.60
  4. Step 4: Simplify right side
    301,527,175.20x = 58,355,199,454,458,208
  5. Step 5: Solve for x
    x = 58,355,199,454,458,208/301,527,175.20
  6. Step 6: Final answer
    x = 193,532,139.90

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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.