Home / 157,147,809,495.62-216,904,326,774.56-102,351,529,919.93

Finding the Fourth Proportional to 157,147,809,495.62, 216,904,326,774.56 and 102,351,529,919.93

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Solution

The fourth proportional to 157,147,809,495.62, 216,904,326,774.56 and 102,351,529,919.93 is: 141,271,391,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,147,809,495.62 : 216,904,326,774.56 = 102,351,529,919.93 : x
  2. Step 2: Convert to fraction form
    157,147,809,495.62/216,904,326,774.56 = 102,351,529,919.93/x
  3. Step 3: Cross multiply
    157,147,809,495.62x = 216,904,326,774.56 × 102,351,529,919.93
  4. Step 4: Simplify right side
    157,147,809,495.62x = 22,200,489,691,628,649,316,352
  5. Step 5: Solve for x
    x = 22,200,489,691,628,649,316,352/157,147,809,495.62
  6. Step 6: Final answer
    x = 141,271,391,328.22

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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.