Home / 131,520,986.40-197,281,479.60-71,054,810.40

Finding the Fourth Proportional to 131,520,986.40, 197,281,479.60 and 71,054,810.40

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Solution

The fourth proportional to 131,520,986.40, 197,281,479.60 and 71,054,810.40 is: 106,582,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520,986.40 : 197,281,479.60 = 71,054,810.40 : x
  2. Step 2: Convert to fraction form
    131,520,986.40/197,281,479.60 = 71,054,810.40/x
  3. Step 3: Cross multiply
    131,520,986.40x = 197,281,479.60 × 71,054,810.40
  4. Step 4: Simplify right side
    131,520,986.40x = 14,017,798,128,409,468
  5. Step 5: Solve for x
    x = 14,017,798,128,409,468/131,520,986.40
  6. Step 6: Final answer
    x = 106,582,215.60

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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.