Home / 104,976,516.40-157,464,774.60-90,615,799.60

Finding the Fourth Proportional to 104,976,516.40, 157,464,774.60 and 90,615,799.60

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Solution

The fourth proportional to 104,976,516.40, 157,464,774.60 and 90,615,799.60 is: 135,923,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,516.40 : 157,464,774.60 = 90,615,799.60 : x
  2. Step 2: Convert to fraction form
    104,976,516.40/157,464,774.60 = 90,615,799.60/x
  3. Step 3: Cross multiply
    104,976,516.40x = 157,464,774.60 × 90,615,799.60
  4. Step 4: Simplify right side
    104,976,516.40x = 14,268,796,459,212,768
  5. Step 5: Solve for x
    x = 14,268,796,459,212,768/104,976,516.40
  6. Step 6: Final answer
    x = 135,923,699.40

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Similar ratio
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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.