Home / 75,431,655.28-104,096,412.12-42,836,840.56

Finding the Fourth Proportional to 75,431,655.28, 104,096,412.12 and 42,836,840.56

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Solution

The fourth proportional to 75,431,655.28, 104,096,412.12 and 42,836,840.56 is: 59,115,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,431,655.28 : 104,096,412.12 = 42,836,840.56 : x
  2. Step 2: Convert to fraction form
    75,431,655.28/104,096,412.12 = 42,836,840.56/x
  3. Step 3: Cross multiply
    75,431,655.28x = 104,096,412.12 × 42,836,840.56
  4. Step 4: Simplify right side
    75,431,655.28x = 4,459,161,408,852,492
  5. Step 5: Solve for x
    x = 4,459,161,408,852,492/75,431,655.28
  6. Step 6: Final answer
    x = 59,115,253.30

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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.