Home / 131,637,551.80-197,456,327.70-99,113,362.60

Finding the Fourth Proportional to 131,637,551.80, 197,456,327.70 and 99,113,362.60

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Solution

The fourth proportional to 131,637,551.80, 197,456,327.70 and 99,113,362.60 is: 148,670,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,637,551.80 : 197,456,327.70 = 99,113,362.60 : x
  2. Step 2: Convert to fraction form
    131,637,551.80/197,456,327.70 = 99,113,362.60/x
  3. Step 3: Cross multiply
    131,637,551.80x = 197,456,327.70 × 99,113,362.60
  4. Step 4: Simplify right side
    131,637,551.80x = 19,570,560,604,994,520
  5. Step 5: Solve for x
    x = 19,570,560,604,994,520/131,637,551.80
  6. Step 6: Final answer
    x = 148,670,043.90

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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.