Home / 103,610,727.05-155,374,100.18-35,418,317.45

Finding the Fourth Proportional to 103,610,727.05, 155,374,100.18 and 35,418,317.45

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Solution

The fourth proportional to 103,610,727.05, 155,374,100.18 and 35,418,317.45 is: 53,113,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,727.05 : 155,374,100.18 = 35,418,317.45 : x
  2. Step 2: Convert to fraction form
    103,610,727.05/155,374,100.18 = 35,418,317.45/x
  3. Step 3: Cross multiply
    103,610,727.05x = 155,374,100.18 × 35,418,317.45
  4. Step 4: Simplify right side
    103,610,727.05x = 5,503,089,203,506,251
  5. Step 5: Solve for x
    x = 5,503,089,203,506,251/103,610,727.05
  6. Step 6: Final answer
    x = 53,113,122.17

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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.