Home / 87,173,135,709.36-130,759,705,294.20-20,924,232,100.08

Finding the Fourth Proportional to 87,173,135,709.36, 130,759,705,294.20 and 20,924,232,100.08

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Solution

The fourth proportional to 87,173,135,709.36, 130,759,705,294.20 and 20,924,232,100.08 is: 31,386,348,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,173,135,709.36 : 130,759,705,294.20 = 20,924,232,100.08 : x
  2. Step 2: Convert to fraction form
    87,173,135,709.36/130,759,705,294.20 = 20,924,232,100.08/x
  3. Step 3: Cross multiply
    87,173,135,709.36x = 130,759,705,294.20 × 20,924,232,100.08
  4. Step 4: Simplify right side
    87,173,135,709.36x = 2,736,046,422,913,900,347,392
  5. Step 5: Solve for x
    x = 2,736,046,422,913,900,347,392/87,173,135,709.36
  6. Step 6: Final answer
    x = 31,386,348,565.41

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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.