Home / 129,358,768.60-194,038,152.90-64,672,557.40

Finding the Fourth Proportional to 129,358,768.60, 194,038,152.90 and 64,672,557.40

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Solution

The fourth proportional to 129,358,768.60, 194,038,152.90 and 64,672,557.40 is: 97,008,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358,768.60 : 194,038,152.90 = 64,672,557.40 : x
  2. Step 2: Convert to fraction form
    129,358,768.60/194,038,152.90 = 64,672,557.40/x
  3. Step 3: Cross multiply
    129,358,768.60x = 194,038,152.90 × 64,672,557.40
  4. Step 4: Simplify right side
    129,358,768.60x = 12,548,943,581,215,226
  5. Step 5: Solve for x
    x = 12,548,943,581,215,226/129,358,768.60
  6. Step 6: Final answer
    x = 97,008,836.10

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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.