Home / 240,245,815.80-360,368,723.70-86,915,537.40

Finding the Fourth Proportional to 240,245,815.80, 360,368,723.70 and 86,915,537.40

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Solution

The fourth proportional to 240,245,815.80, 360,368,723.70 and 86,915,537.40 is: 130,373,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,245,815.80 : 360,368,723.70 = 86,915,537.40 : x
  2. Step 2: Convert to fraction form
    240,245,815.80/360,368,723.70 = 86,915,537.40/x
  3. Step 3: Cross multiply
    240,245,815.80x = 360,368,723.70 × 86,915,537.40
  4. Step 4: Simplify right side
    240,245,815.80x = 31,321,641,282,537,616
  5. Step 5: Solve for x
    x = 31,321,641,282,537,616/240,245,815.80
  6. Step 6: Final answer
    x = 130,373,306.10

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1.5x scale

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.