Home / 207,119,012-285,831,097.20-113,038,295.84

Finding the Fourth Proportional to 207,119,012, 285,831,097.20 and 113,038,295.84

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Solution

The fourth proportional to 207,119,012, 285,831,097.20 and 113,038,295.84 is: 155,996,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,119,012 : 285,831,097.20 = 113,038,295.84 : x
  2. Step 2: Convert to fraction form
    207,119,012/285,831,097.20 = 113,038,295.84/x
  3. Step 3: Cross multiply
    207,119,012x = 285,831,097.20 × 113,038,295.84
  4. Step 4: Simplify right side
    207,119,012x = 32,309,860,125,565,396
  5. Step 5: Solve for x
    x = 32,309,860,125,565,396/207,119,012
  6. Step 6: Final answer
    x = 155,996,592.56

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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.