Home / 43,776,000.40-65,664,000.60-19,888,128.40

Finding the Fourth Proportional to 43,776,000.40, 65,664,000.60 and 19,888,128.40

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Solution

The fourth proportional to 43,776,000.40, 65,664,000.60 and 19,888,128.40 is: 29,832,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,000.40 : 65,664,000.60 = 19,888,128.40 : x
  2. Step 2: Convert to fraction form
    43,776,000.40/65,664,000.60 = 19,888,128.40/x
  3. Step 3: Cross multiply
    43,776,000.40x = 65,664,000.60 × 19,888,128.40
  4. Step 4: Simplify right side
    43,776,000.40x = 1,305,934,075,190,477
  5. Step 5: Solve for x
    x = 1,305,934,075,190,477/43,776,000.40
  6. Step 6: Final answer
    x = 29,832,192.60

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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.