Home / 74,293,403.48-111,445,969.64-19,706,005.14

Finding the Fourth Proportional to 74,293,403.48, 111,445,969.64 and 19,706,005.14

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Solution

The fourth proportional to 74,293,403.48, 111,445,969.64 and 19,706,005.14 is: 29,560,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,403.48 : 111,445,969.64 = 19,706,005.14 : x
  2. Step 2: Convert to fraction form
    74,293,403.48/111,445,969.64 = 19,706,005.14/x
  3. Step 3: Cross multiply
    74,293,403.48x = 111,445,969.64 × 19,706,005.14
  4. Step 4: Simplify right side
    74,293,403.48x = 2,196,154,850,558,124
  5. Step 5: Solve for x
    x = 2,196,154,850,558,124/74,293,403.48
  6. Step 6: Final answer
    x = 29,560,563.22

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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.