Home / 149,153,414,564.61-205,831,794,669.89-80,564,827,328.48

Finding the Fourth Proportional to 149,153,414,564.61, 205,831,794,669.89 and 80,564,827,328.48

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Solution

The fourth proportional to 149,153,414,564.61, 205,831,794,669.89 and 80,564,827,328.48 is: 111,179,506,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153,414,564.61 : 205,831,794,669.89 = 80,564,827,328.48 : x
  2. Step 2: Convert to fraction form
    149,153,414,564.61/205,831,794,669.89 = 80,564,827,328.48/x
  3. Step 3: Cross multiply
    149,153,414,564.61x = 205,831,794,669.89 × 80,564,827,328.48
  4. Step 4: Simplify right side
    149,153,414,564.61x = 16,582,802,996,291,046,473,728
  5. Step 5: Solve for x
    x = 16,582,802,996,291,046,473,728/149,153,414,564.61
  6. Step 6: Final answer
    x = 111,179,506,313.67

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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.