Home / 129,330,435,331.20-193,995,652,996.80-73,604,807,529.60

Finding the Fourth Proportional to 129,330,435,331.20, 193,995,652,996.80 and 73,604,807,529.60

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Solution

The fourth proportional to 129,330,435,331.20, 193,995,652,996.80 and 73,604,807,529.60 is: 110,407,211,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,330,435,331.20 : 193,995,652,996.80 = 73,604,807,529.60 : x
  2. Step 2: Convert to fraction form
    129,330,435,331.20/193,995,652,996.80 = 73,604,807,529.60/x
  3. Step 3: Cross multiply
    129,330,435,331.20x = 193,995,652,996.80 × 73,604,807,529.60
  4. Step 4: Simplify right side
    129,330,435,331.20x = 14,279,012,700,408,533,483,520
  5. Step 5: Solve for x
    x = 14,279,012,700,408,533,483,520/129,330,435,331.20
  6. Step 6: Final answer
    x = 110,407,211,294.40

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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.