Home / 255,978,033.06-383,984,075.76-89,961,459.32

Finding the Fourth Proportional to 255,978,033.06, 383,984,075.76 and 89,961,459.32

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Solution

The fourth proportional to 255,978,033.06, 383,984,075.76 and 89,961,459.32 is: 134,948,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,978,033.06 : 383,984,075.76 = 89,961,459.32 : x
  2. Step 2: Convert to fraction form
    255,978,033.06/383,984,075.76 = 89,961,459.32/x
  3. Step 3: Cross multiply
    255,978,033.06x = 383,984,075.76 × 89,961,459.32
  4. Step 4: Simplify right side
    255,978,033.06x = 34,543,767,811,011,036
  5. Step 5: Solve for x
    x = 34,543,767,811,011,036/255,978,033.06
  6. Step 6: Final answer
    x = 134,948,172.69

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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.