Home / 129,758,722,899.83-194,694,018,054.81-70,055,531,166.68

Finding the Fourth Proportional to 129,758,722,899.83, 194,694,018,054.81 and 70,055,531,166.68

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Solution

The fourth proportional to 129,758,722,899.83, 194,694,018,054.81 and 70,055,531,166.68 is: 105,113,494,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,758,722,899.83 : 194,694,018,054.81 = 70,055,531,166.68 : x
  2. Step 2: Convert to fraction form
    129,758,722,899.83/194,694,018,054.81 = 70,055,531,166.68/x
  3. Step 3: Cross multiply
    129,758,722,899.83x = 194,694,018,054.81 × 70,055,531,166.68
  4. Step 4: Simplify right side
    129,758,722,899.83x = 13,639,392,849,804,899,909,632
  5. Step 5: Solve for x
    x = 13,639,392,849,804,899,909,632/129,758,722,899.83
  6. Step 6: Final answer
    x = 105,113,494,838.68

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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.