Home / 131,014,071.12-196,417,558.68-65,401,534.80

Finding the Fourth Proportional to 131,014,071.12, 196,417,558.68 and 65,401,534.80

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Solution

The fourth proportional to 131,014,071.12, 196,417,558.68 and 65,401,534.80 is: 98,050,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014,071.12 : 196,417,558.68 = 65,401,534.80 : x
  2. Step 2: Convert to fraction form
    131,014,071.12/196,417,558.68 = 65,401,534.80/x
  3. Step 3: Cross multiply
    131,014,071.12x = 196,417,558.68 × 65,401,534.80
  4. Step 4: Simplify right side
    131,014,071.12x = 12,846,009,799,341,062
  5. Step 5: Solve for x
    x = 12,846,009,799,341,062/131,014,071.12
  6. Step 6: Final answer
    x = 98,050,611.58

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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.