Home / 163,343,446,970.26-225,414,173,961.16-90,098,035,076.70

Finding the Fourth Proportional to 163,343,446,970.26, 225,414,173,961.16 and 90,098,035,076.70

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Solution

The fourth proportional to 163,343,446,970.26, 225,414,173,961.16 and 90,098,035,076.70 is: 124,335,408,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,343,446,970.26 : 225,414,173,961.16 = 90,098,035,076.70 : x
  2. Step 2: Convert to fraction form
    163,343,446,970.26/225,414,173,961.16 = 90,098,035,076.70/x
  3. Step 3: Cross multiply
    163,343,446,970.26x = 225,414,173,961.16 × 90,098,035,076.70
  4. Step 4: Simplify right side
    163,343,446,970.26x = 20,309,374,152,337,948,409,856
  5. Step 5: Solve for x
    x = 20,309,374,152,337,948,409,856/163,343,446,970.26
  6. Step 6: Final answer
    x = 124,335,408,178.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.