Home / 149,148,571.52-205,831,445.16-83,069,098.88

Finding the Fourth Proportional to 149,148,571.52, 205,831,445.16 and 83,069,098.88

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Solution

The fourth proportional to 149,148,571.52, 205,831,445.16 and 83,069,098.88 is: 114,638,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,148,571.52 : 205,831,445.16 = 83,069,098.88 : x
  2. Step 2: Convert to fraction form
    149,148,571.52/205,831,445.16 = 83,069,098.88/x
  3. Step 3: Cross multiply
    149,148,571.52x = 205,831,445.16 × 83,069,098.88
  4. Step 4: Simplify right side
    149,148,571.52x = 17,098,232,670,609,336
  5. Step 5: Solve for x
    x = 17,098,232,670,609,336/149,148,571.52
  6. Step 6: Final answer
    x = 114,638,930.14

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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.