Home / 82,984,984.90-124,477,477.35-80,593,500.40

Finding the Fourth Proportional to 82,984,984.90, 124,477,477.35 and 80,593,500.40

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Solution

The fourth proportional to 82,984,984.90, 124,477,477.35 and 80,593,500.40 is: 120,890,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984,984.90 : 124,477,477.35 = 80,593,500.40 : x
  2. Step 2: Convert to fraction form
    82,984,984.90/124,477,477.35 = 80,593,500.40/x
  3. Step 3: Cross multiply
    82,984,984.90x = 124,477,477.35 × 80,593,500.40
  4. Step 4: Simplify right side
    82,984,984.90x = 10,032,075,620,598,216
  5. Step 5: Solve for x
    x = 10,032,075,620,598,216/82,984,984.90
  6. Step 6: Final answer
    x = 120,890,250.60

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1.5x scale

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.