Home / 50,719,784.64-69,993,303.12-28,990,219.20

Finding the Fourth Proportional to 50,719,784.64, 69,993,303.12 and 28,990,219.20

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Solution

The fourth proportional to 50,719,784.64, 69,993,303.12 and 28,990,219.20 is: 40,006,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719,784.64 : 69,993,303.12 = 28,990,219.20 : x
  2. Step 2: Convert to fraction form
    50,719,784.64/69,993,303.12 = 28,990,219.20/x
  3. Step 3: Cross multiply
    50,719,784.64x = 69,993,303.12 × 28,990,219.20
  4. Step 4: Simplify right side
    50,719,784.64x = 2,029,121,199,980,844
  5. Step 5: Solve for x
    x = 2,029,121,199,980,844/50,719,784.64
  6. Step 6: Final answer
    x = 40,006,502.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.