Home / 136,627,656.48-188,548,291.68-74,749,028.40

Finding the Fourth Proportional to 136,627,656.48, 188,548,291.68 and 74,749,028.40

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Solution

The fourth proportional to 136,627,656.48, 188,548,291.68 and 74,749,028.40 is: 103,154,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,627,656.48 : 188,548,291.68 = 74,749,028.40 : x
  2. Step 2: Convert to fraction form
    136,627,656.48/188,548,291.68 = 74,749,028.40/x
  3. Step 3: Cross multiply
    136,627,656.48x = 188,548,291.68 × 74,749,028.40
  4. Step 4: Simplify right side
    136,627,656.48x = 14,093,801,609,559,806
  5. Step 5: Solve for x
    x = 14,093,801,609,559,806/136,627,656.48
  6. Step 6: Final answer
    x = 103,154,822.18

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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.