Home / 98,998,869,072.96-136,621,739,308.32-55,602,801,391.68

Finding the Fourth Proportional to 98,998,869,072.96, 136,621,739,308.32 and 55,602,801,391.68

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Solution

The fourth proportional to 98,998,869,072.96, 136,621,739,308.32 and 55,602,801,391.68 is: 76,733,719,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,998,869,072.96 : 136,621,739,308.32 = 55,602,801,391.68 : x
  2. Step 2: Convert to fraction form
    98,998,869,072.96/136,621,739,308.32 = 55,602,801,391.68/x
  3. Step 3: Cross multiply
    98,998,869,072.96x = 136,621,739,308.32 × 55,602,801,391.68
  4. Step 4: Simplify right side
    98,998,869,072.96x = 7,596,551,436,546,397,437,952
  5. Step 5: Solve for x
    x = 7,596,551,436,546,397,437,952/98,998,869,072.96
  6. Step 6: Final answer
    x = 76,733,719,361.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.