Home / 151,072,068,405.11-208,497,735,875.81-85,982,322,181.08

Finding the Fourth Proportional to 151,072,068,405.11, 208,497,735,875.81 and 85,982,322,181.08

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Solution

The fourth proportional to 151,072,068,405.11, 208,497,735,875.81 and 85,982,322,181.08 is: 118,666,009,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,072,068,405.11 : 208,497,735,875.81 = 85,982,322,181.08 : x
  2. Step 2: Convert to fraction form
    151,072,068,405.11/208,497,735,875.81 = 85,982,322,181.08/x
  3. Step 3: Cross multiply
    151,072,068,405.11x = 208,497,735,875.81 × 85,982,322,181.08
  4. Step 4: Simplify right side
    151,072,068,405.11x = 17,927,119,500,099,618,603,008
  5. Step 5: Solve for x
    x = 17,927,119,500,099,618,603,008/151,072,068,405.11
  6. Step 6: Final answer
    x = 118,666,009,470.57

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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.