Home / 199,094,943.60-298,642,415.40-55,487,775.60

Finding the Fourth Proportional to 199,094,943.60, 298,642,415.40 and 55,487,775.60

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Solution

The fourth proportional to 199,094,943.60, 298,642,415.40 and 55,487,775.60 is: 83,231,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,094,943.60 : 298,642,415.40 = 55,487,775.60 : x
  2. Step 2: Convert to fraction form
    199,094,943.60/298,642,415.40 = 55,487,775.60/x
  3. Step 3: Cross multiply
    199,094,943.60x = 298,642,415.40 × 55,487,775.60
  4. Step 4: Simplify right side
    199,094,943.60x = 16,571,003,330,357,184
  5. Step 5: Solve for x
    x = 16,571,003,330,357,184/199,094,943.60
  6. Step 6: Final answer
    x = 83,231,663.40

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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.