Home / 121,590,673.36-182,404,905.75-40,830,537.04

Finding the Fourth Proportional to 121,590,673.36, 182,404,905.75 and 40,830,537.04

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Solution

The fourth proportional to 121,590,673.36, 182,404,905.75 and 40,830,537.04 is: 61,252,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,590,673.36 : 182,404,905.75 = 40,830,537.04 : x
  2. Step 2: Convert to fraction form
    121,590,673.36/182,404,905.75 = 40,830,537.04/x
  3. Step 3: Cross multiply
    121,590,673.36x = 182,404,905.75 × 40,830,537.04
  4. Step 4: Simplify right side
    121,590,673.36x = 7,447,690,260,047,072
  5. Step 5: Solve for x
    x = 7,447,690,260,047,072/121,590,673.36
  6. Step 6: Final answer
    x = 61,252,150.80

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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.