Home / 149,153,455,903.90-205,831,851,575.60-80,564,868,615.84

Finding the Fourth Proportional to 149,153,455,903.90, 205,831,851,575.60 and 80,564,868,615.84

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Solution

The fourth proportional to 149,153,455,903.90, 205,831,851,575.60 and 80,564,868,615.84 is: 111,179,563,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153,455,903.90 : 205,831,851,575.60 = 80,564,868,615.84 : x
  2. Step 2: Convert to fraction form
    149,153,455,903.90/205,831,851,575.60 = 80,564,868,615.84/x
  3. Step 3: Cross multiply
    149,153,455,903.90x = 205,831,851,575.60 × 80,564,868,615.84
  4. Step 4: Simplify right side
    149,153,455,903.90x = 16,582,816,079,143,294,205,952
  5. Step 5: Solve for x
    x = 16,582,816,079,143,294,205,952/149,153,455,903.90
  6. Step 6: Final answer
    x = 111,179,563,213.26

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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.