Home / 144,800,853.60-217,201,280.40-128,928,482.40

Finding the Fourth Proportional to 144,800,853.60, 217,201,280.40 and 128,928,482.40

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Solution

The fourth proportional to 144,800,853.60, 217,201,280.40 and 128,928,482.40 is: 193,392,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,800,853.60 : 217,201,280.40 = 128,928,482.40 : x
  2. Step 2: Convert to fraction form
    144,800,853.60/217,201,280.40 = 128,928,482.40/x
  3. Step 3: Cross multiply
    144,800,853.60x = 217,201,280.40 × 128,928,482.40
  4. Step 4: Simplify right side
    144,800,853.60x = 28,003,431,457,308,868
  5. Step 5: Solve for x
    x = 28,003,431,457,308,868/144,800,853.60
  6. Step 6: Final answer
    x = 193,392,723.60

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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.