Home / 189,450,964.80-284,176,447.20-166,020,321.60

Finding the Fourth Proportional to 189,450,964.80, 284,176,447.20 and 166,020,321.60

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Solution

The fourth proportional to 189,450,964.80, 284,176,447.20 and 166,020,321.60 is: 249,030,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,450,964.80 : 284,176,447.20 = 166,020,321.60 : x
  2. Step 2: Convert to fraction form
    189,450,964.80/284,176,447.20 = 166,020,321.60/x
  3. Step 3: Cross multiply
    189,450,964.80x = 284,176,447.20 × 166,020,321.60
  4. Step 4: Simplify right side
    189,450,964.80x = 47,179,065,155,289,416
  5. Step 5: Solve for x
    x = 47,179,065,155,289,416/189,450,964.80
  6. Step 6: Final answer
    x = 249,030,482.40

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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.