Home / 129,369,983.60-194,054,975.40-64,683,772.40

Finding the Fourth Proportional to 129,369,983.60, 194,054,975.40 and 64,683,772.40

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Solution

The fourth proportional to 129,369,983.60, 194,054,975.40 and 64,683,772.40 is: 97,025,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,369,983.60 : 194,054,975.40 = 64,683,772.40 : x
  2. Step 2: Convert to fraction form
    129,369,983.60/194,054,975.40 = 64,683,772.40/x
  3. Step 3: Cross multiply
    129,369,983.60x = 194,054,975.40 × 64,683,772.40
  4. Step 4: Simplify right side
    129,369,983.60x = 12,552,207,861,861,200
  5. Step 5: Solve for x
    x = 12,552,207,861,861,200/129,369,983.60
  6. Step 6: Final answer
    x = 97,025,658.60

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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.