Home / 128,307,124.60-192,468,059.70-37,444,737.40

Finding the Fourth Proportional to 128,307,124.60, 192,468,059.70 and 37,444,737.40

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Solution

The fourth proportional to 128,307,124.60, 192,468,059.70 and 37,444,737.40 is: 56,169,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,307,124.60 : 192,468,059.70 = 37,444,737.40 : x
  2. Step 2: Convert to fraction form
    128,307,124.60/192,468,059.70 = 37,444,737.40/x
  3. Step 3: Cross multiply
    128,307,124.60x = 192,468,059.70 × 37,444,737.40
  4. Step 4: Simplify right side
    128,307,124.60x = 7,206,915,953,354,022
  5. Step 5: Solve for x
    x = 7,206,915,953,354,022/128,307,124.60
  6. Step 6: Final answer
    x = 56,169,257.75

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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.