Home / 254,871,038.76-382,308,770.67-82,347,870.70

Finding the Fourth Proportional to 254,871,038.76, 382,308,770.67 and 82,347,870.70

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Solution

The fourth proportional to 254,871,038.76, 382,308,770.67 and 82,347,870.70 is: 123,522,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,871,038.76 : 382,308,770.67 = 82,347,870.70 : x
  2. Step 2: Convert to fraction form
    254,871,038.76/382,308,770.67 = 82,347,870.70/x
  3. Step 3: Cross multiply
    254,871,038.76x = 382,308,770.67 × 82,347,870.70
  4. Step 4: Simplify right side
    254,871,038.76x = 31,482,313,214,609,116
  5. Step 5: Solve for x
    x = 31,482,313,214,609,116/254,871,038.76
  6. Step 6: Final answer
    x = 123,522,520.91

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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.