Home / 142,684,183,802.62-213,884,903,843.97-67,001,855,641.03

Finding the Fourth Proportional to 142,684,183,802.62, 213,884,903,843.97 and 67,001,855,641.03

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Solution

The fourth proportional to 142,684,183,802.62, 213,884,903,843.97 and 67,001,855,641.03 is: 100,436,397,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,684,183,802.62 : 213,884,903,843.97 = 67,001,855,641.03 : x
  2. Step 2: Convert to fraction form
    142,684,183,802.62/213,884,903,843.97 = 67,001,855,641.03/x
  3. Step 3: Cross multiply
    142,684,183,802.62x = 213,884,903,843.97 × 67,001,855,641.03
  4. Step 4: Simplify right side
    142,684,183,802.62x = 14,330,685,451,149,261,144,064
  5. Step 5: Solve for x
    x = 14,330,685,451,149,261,144,064/142,684,183,802.62
  6. Step 6: Final answer
    x = 100,436,397,848.93

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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.