Home / 131,220,735.40-196,831,103.10-97,208,511.40

Finding the Fourth Proportional to 131,220,735.40, 196,831,103.10 and 97,208,511.40

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Solution

The fourth proportional to 131,220,735.40, 196,831,103.10 and 97,208,511.40 is: 145,812,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,735.40 : 196,831,103.10 = 97,208,511.40 : x
  2. Step 2: Convert to fraction form
    131,220,735.40/196,831,103.10 = 97,208,511.40/x
  3. Step 3: Cross multiply
    131,220,735.40x = 196,831,103.10 × 97,208,511.40
  4. Step 4: Simplify right side
    131,220,735.40x = 19,133,658,529,570,924
  5. Step 5: Solve for x
    x = 19,133,658,529,570,924/131,220,735.40
  6. Step 6: Final answer
    x = 145,812,767.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.