Home / 60,415,936.40-90,623,904.60-20,026,420.40

Finding the Fourth Proportional to 60,415,936.40, 90,623,904.60 and 20,026,420.40

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Solution

The fourth proportional to 60,415,936.40, 90,623,904.60 and 20,026,420.40 is: 30,039,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,415,936.40 : 90,623,904.60 = 20,026,420.40 : x
  2. Step 2: Convert to fraction form
    60,415,936.40/90,623,904.60 = 20,026,420.40/x
  3. Step 3: Cross multiply
    60,415,936.40x = 90,623,904.60 × 20,026,420.40
  4. Step 4: Simplify right side
    60,415,936.40x = 1,814,872,411,809,093.50
  5. Step 5: Solve for x
    x = 1,814,872,411,809,093.50/60,415,936.40
  6. Step 6: Final answer
    x = 30,039,630.60

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Double scale
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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.