Home / 217,318,899.60-325,994,095.80-130,871,163.60

Finding the Fourth Proportional to 217,318,899.60, 325,994,095.80 and 130,871,163.60

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Solution

The fourth proportional to 217,318,899.60, 325,994,095.80 and 130,871,163.60 is: 196,316,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,318,899.60 : 325,994,095.80 = 130,871,163.60 : x
  2. Step 2: Convert to fraction form
    217,318,899.60/325,994,095.80 = 130,871,163.60/x
  3. Step 3: Cross multiply
    217,318,899.60x = 325,994,095.80 × 130,871,163.60
  4. Step 4: Simplify right side
    217,318,899.60x = 42,663,226,644,075,872
  5. Step 5: Solve for x
    x = 42,663,226,644,075,872/217,318,899.60
  6. Step 6: Final answer
    x = 196,316,228.01

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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.