Home / 129,758,722,897.64-194,694,018,051.52-70,055,531,164.49

Finding the Fourth Proportional to 129,758,722,897.64, 194,694,018,051.52 and 70,055,531,164.49

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Solution

The fourth proportional to 129,758,722,897.64, 194,694,018,051.52 and 70,055,531,164.49 is: 105,113,494,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,758,722,897.64 : 194,694,018,051.52 = 70,055,531,164.49 : x
  2. Step 2: Convert to fraction form
    129,758,722,897.64/194,694,018,051.52 = 70,055,531,164.49/x
  3. Step 3: Cross multiply
    129,758,722,897.64x = 194,694,018,051.52 × 70,055,531,164.49
  4. Step 4: Simplify right side
    129,758,722,897.64x = 13,639,392,849,148,038,348,800
  5. Step 5: Solve for x
    x = 13,639,392,849,148,038,348,800/129,758,722,897.64
  6. Step 6: Final answer
    x = 105,113,494,835.39

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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.