Home / 125,622,626.60-188,439,844.80-39,363,847.40

Finding the Fourth Proportional to 125,622,626.60, 188,439,844.80 and 39,363,847.40

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Solution

The fourth proportional to 125,622,626.60, 188,439,844.80 and 39,363,847.40 is: 59,047,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622,626.60 : 188,439,844.80 = 39,363,847.40 : x
  2. Step 2: Convert to fraction form
    125,622,626.60/188,439,844.80 = 39,363,847.40/x
  3. Step 3: Cross multiply
    125,622,626.60x = 188,439,844.80 × 39,363,847.40
  4. Step 4: Simplify right side
    125,622,626.60x = 7,417,717,294,786,884
  5. Step 5: Solve for x
    x = 7,417,717,294,786,884/125,622,626.60
  6. Step 6: Final answer
    x = 59,047,621.40

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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.