Home / 64,696,128,112.21-97,054,620,065.87-19,927,603,991.03

Finding the Fourth Proportional to 64,696,128,112.21, 97,054,620,065.87 and 19,927,603,991.03

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Solution

The fourth proportional to 64,696,128,112.21, 97,054,620,065.87 and 19,927,603,991.03 is: 29,894,617,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,696,128,112.21 : 97,054,620,065.87 = 19,927,603,991.03 : x
  2. Step 2: Convert to fraction form
    64,696,128,112.21/97,054,620,065.87 = 19,927,603,991.03/x
  3. Step 3: Cross multiply
    64,696,128,112.21x = 97,054,620,065.87 × 19,927,603,991.03
  4. Step 4: Simplify right side
    64,696,128,112.21x = 1,934,066,034,172,006,236,160
  5. Step 5: Solve for x
    x = 1,934,066,034,172,006,236,160/64,696,128,112.21
  6. Step 6: Final answer
    x = 29,894,617,971.84

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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.