Home / 170,427,810.40-255,641,715.60-105,804,584.80

Finding the Fourth Proportional to 170,427,810.40, 255,641,715.60 and 105,804,584.80

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Solution

The fourth proportional to 170,427,810.40, 255,641,715.60 and 105,804,584.80 is: 158,706,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,427,810.40 : 255,641,715.60 = 105,804,584.80 : x
  2. Step 2: Convert to fraction form
    170,427,810.40/255,641,715.60 = 105,804,584.80/x
  3. Step 3: Cross multiply
    170,427,810.40x = 255,641,715.60 × 105,804,584.80
  4. Step 4: Simplify right side
    170,427,810.40x = 27,048,065,576,617,680
  5. Step 5: Solve for x
    x = 27,048,065,576,617,680/170,427,810.40
  6. Step 6: Final answer
    x = 158,706,877.20

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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.