Home / 129,356,933.60-194,035,400.40-64,670,722.40

Finding the Fourth Proportional to 129,356,933.60, 194,035,400.40 and 64,670,722.40

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Solution

The fourth proportional to 129,356,933.60, 194,035,400.40 and 64,670,722.40 is: 97,006,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,356,933.60 : 194,035,400.40 = 64,670,722.40 : x
  2. Step 2: Convert to fraction form
    129,356,933.60/194,035,400.40 = 64,670,722.40/x
  3. Step 3: Cross multiply
    129,356,933.60x = 194,035,400.40 × 64,670,722.40
  4. Step 4: Simplify right side
    129,356,933.60x = 12,548,409,515,041,250
  5. Step 5: Solve for x
    x = 12,548,409,515,041,250/129,356,933.60
  6. Step 6: Final answer
    x = 97,006,083.60

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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.