Home / 189,048,272.76-283,459,035.06-86,684,075.64

Finding the Fourth Proportional to 189,048,272.76, 283,459,035.06 and 86,684,075.64

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Solution

The fourth proportional to 189,048,272.76, 283,459,035.06 and 86,684,075.64 is: 129,974,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,048,272.76 : 283,459,035.06 = 86,684,075.64 : x
  2. Step 2: Convert to fraction form
    189,048,272.76/283,459,035.06 = 86,684,075.64/x
  3. Step 3: Cross multiply
    189,048,272.76x = 283,459,035.06 × 86,684,075.64
  4. Step 4: Simplify right side
    189,048,272.76x = 24,571,384,435,982,452
  5. Step 5: Solve for x
    x = 24,571,384,435,982,452/189,048,272.76
  6. Step 6: Final answer
    x = 129,974,128.18

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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.