Home / 193,128,401.60-289,692,602.40-91,091,729.60

Finding the Fourth Proportional to 193,128,401.60, 289,692,602.40 and 91,091,729.60

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Solution

The fourth proportional to 193,128,401.60, 289,692,602.40 and 91,091,729.60 is: 136,637,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,128,401.60 : 289,692,602.40 = 91,091,729.60 : x
  2. Step 2: Convert to fraction form
    193,128,401.60/289,692,602.40 = 91,091,729.60/x
  3. Step 3: Cross multiply
    193,128,401.60x = 289,692,602.40 × 91,091,729.60
  4. Step 4: Simplify right side
    193,128,401.60x = 26,388,600,204,941,108
  5. Step 5: Solve for x
    x = 26,388,600,204,941,108/193,128,401.60
  6. Step 6: Final answer
    x = 136,637,594.40

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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.