Home / 240,290,465.80-360,435,698.70-103,880,763.40

Finding the Fourth Proportional to 240,290,465.80, 360,435,698.70 and 103,880,763.40

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Solution

The fourth proportional to 240,290,465.80, 360,435,698.70 and 103,880,763.40 is: 155,821,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,290,465.80 : 360,435,698.70 = 103,880,763.40 : x
  2. Step 2: Convert to fraction form
    240,290,465.80/360,435,698.70 = 103,880,763.40/x
  3. Step 3: Cross multiply
    240,290,465.80x = 360,435,698.70 × 103,880,763.40
  4. Step 4: Simplify right side
    240,290,465.80x = 37,442,335,537,568,392
  5. Step 5: Solve for x
    x = 37,442,335,537,568,392/240,290,465.80
  6. Step 6: Final answer
    x = 155,821,145.10

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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.