Home / 129,714,478,094.64-194,601,056,675.22-70,021,859,193.48

Finding the Fourth Proportional to 129,714,478,094.64, 194,601,056,675.22 and 70,021,859,193.48

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Solution

The fourth proportional to 129,714,478,094.64, 194,601,056,675.22 and 70,021,859,193.48 is: 105,048,626,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714,478,094.64 : 194,601,056,675.22 = 70,021,859,193.48 : x
  2. Step 2: Convert to fraction form
    129,714,478,094.64/194,601,056,675.22 = 70,021,859,193.48/x
  3. Step 3: Cross multiply
    129,714,478,094.64x = 194,601,056,675.22 × 70,021,859,193.48
  4. Step 4: Simplify right side
    129,714,478,094.64x = 13,626,327,789,414,675,120,128
  5. Step 5: Solve for x
    x = 13,626,327,789,414,675,120,128/129,714,478,094.64
  6. Step 6: Final answer
    x = 105,048,626,719.01

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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.