Home / 84,996,225.60-127,431,352.80-57,634,231.20

Finding the Fourth Proportional to 84,996,225.60, 127,431,352.80 and 57,634,231.20

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Solution

The fourth proportional to 84,996,225.60, 127,431,352.80 and 57,634,231.20 is: 86,408,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996,225.60 : 127,431,352.80 = 57,634,231.20 : x
  2. Step 2: Convert to fraction form
    84,996,225.60/127,431,352.80 = 57,634,231.20/x
  3. Step 3: Cross multiply
    84,996,225.60x = 127,431,352.80 × 57,634,231.20
  4. Step 4: Simplify right side
    84,996,225.60x = 7,344,408,049,403,968
  5. Step 5: Solve for x
    x = 7,344,408,049,403,968/84,996,225.60
  6. Step 6: Final answer
    x = 86,408,637.53

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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.