Home / 46,509,912.80-69,764,869.20-30,354,106.40

Finding the Fourth Proportional to 46,509,912.80, 69,764,869.20 and 30,354,106.40

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Solution

The fourth proportional to 46,509,912.80, 69,764,869.20 and 30,354,106.40 is: 45,531,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,509,912.80 : 69,764,869.20 = 30,354,106.40 : x
  2. Step 2: Convert to fraction form
    46,509,912.80/69,764,869.20 = 30,354,106.40/x
  3. Step 3: Cross multiply
    46,509,912.80x = 69,764,869.20 × 30,354,106.40
  4. Step 4: Simplify right side
    46,509,912.80x = 2,117,650,262,678,882.75
  5. Step 5: Solve for x
    x = 2,117,650,262,678,882.75/46,509,912.80
  6. Step 6: Final answer
    x = 45,531,159.60

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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.