Home / 129,358,733.60-194,038,100.40-64,672,522.40

Finding the Fourth Proportional to 129,358,733.60, 194,038,100.40 and 64,672,522.40

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Solution

The fourth proportional to 129,358,733.60, 194,038,100.40 and 64,672,522.40 is: 97,008,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358,733.60 : 194,038,100.40 = 64,672,522.40 : x
  2. Step 2: Convert to fraction form
    129,358,733.60/194,038,100.40 = 64,672,522.40/x
  3. Step 3: Cross multiply
    129,358,733.60x = 194,038,100.40 × 64,672,522.40
  4. Step 4: Simplify right side
    129,358,733.60x = 12,548,933,394,572,450
  5. Step 5: Solve for x
    x = 12,548,933,394,572,450/129,358,733.60
  6. Step 6: Final answer
    x = 97,008,783.60

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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.