Home / 45,990,703.64-69,004,459.08-18,699,094.19

Finding the Fourth Proportional to 45,990,703.64, 69,004,459.08 and 18,699,094.19

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Solution

The fourth proportional to 45,990,703.64, 69,004,459.08 and 18,699,094.19 is: 28,056,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,990,703.64 : 69,004,459.08 = 18,699,094.19 : x
  2. Step 2: Convert to fraction form
    45,990,703.64/69,004,459.08 = 18,699,094.19/x
  3. Step 3: Cross multiply
    45,990,703.64x = 69,004,459.08 × 18,699,094.19
  4. Step 4: Simplify right side
    45,990,703.64x = 1,290,320,880,039,431.75
  5. Step 5: Solve for x
    x = 1,290,320,880,039,431.75/45,990,703.64
  6. Step 6: Final answer
    x = 28,056,123.91

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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.