Home / 153,646,915,893.64-212,024,343,770.18-84,109,104,592.54

Finding the Fourth Proportional to 153,646,915,893.64, 212,024,343,770.18 and 84,109,104,592.54

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Solution

The fourth proportional to 153,646,915,893.64, 212,024,343,770.18 and 84,109,104,592.54 is: 116,065,965,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,646,915,893.64 : 212,024,343,770.18 = 84,109,104,592.54 : x
  2. Step 2: Convert to fraction form
    153,646,915,893.64/212,024,343,770.18 = 84,109,104,592.54/x
  3. Step 3: Cross multiply
    153,646,915,893.64x = 212,024,343,770.18 × 84,109,104,592.54
  4. Step 4: Simplify right side
    153,646,915,893.64x = 17,833,177,706,331,151,269,888
  5. Step 5: Solve for x
    x = 17,833,177,706,331,151,269,888/153,646,915,893.64
  6. Step 6: Final answer
    x = 116,065,965,936.32

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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.