Home / 199,393,071.40-299,089,607.10-91,897,647.40

Finding the Fourth Proportional to 199,393,071.40, 299,089,607.10 and 91,897,647.40

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Solution

The fourth proportional to 199,393,071.40, 299,089,607.10 and 91,897,647.40 is: 137,846,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,393,071.40 : 299,089,607.10 = 91,897,647.40 : x
  2. Step 2: Convert to fraction form
    199,393,071.40/299,089,607.10 = 91,897,647.40/x
  3. Step 3: Cross multiply
    199,393,071.40x = 299,089,607.10 × 91,897,647.40
  4. Step 4: Simplify right side
    199,393,071.40x = 27,485,631,254,280,340
  5. Step 5: Solve for x
    x = 27,485,631,254,280,340/199,393,071.40
  6. Step 6: Final answer
    x = 137,846,471.10

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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.