Home / 89,299,584,135.60-133,949,376,203.40-72,769,643,271.60

Finding the Fourth Proportional to 89,299,584,135.60, 133,949,376,203.40 and 72,769,643,271.60

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Solution

The fourth proportional to 89,299,584,135.60, 133,949,376,203.40 and 72,769,643,271.60 is: 109,154,464,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299,584,135.60 : 133,949,376,203.40 = 72,769,643,271.60 : x
  2. Step 2: Convert to fraction form
    89,299,584,135.60/133,949,376,203.40 = 72,769,643,271.60/x
  3. Step 3: Cross multiply
    89,299,584,135.60x = 133,949,376,203.40 × 72,769,643,271.60
  4. Step 4: Simplify right side
    89,299,584,135.60x = 9,747,448,322,774,764,879,872
  5. Step 5: Solve for x
    x = 9,747,448,322,774,764,879,872/89,299,584,135.60
  6. Step 6: Final answer
    x = 109,154,464,907.40

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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.