Home / 118,639,725.40-177,959,588.10-93,159,328.60

Finding the Fourth Proportional to 118,639,725.40, 177,959,588.10 and 93,159,328.60

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Solution

The fourth proportional to 118,639,725.40, 177,959,588.10 and 93,159,328.60 is: 139,738,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,639,725.40 : 177,959,588.10 = 93,159,328.60 : x
  2. Step 2: Convert to fraction form
    118,639,725.40/177,959,588.10 = 93,159,328.60/x
  3. Step 3: Cross multiply
    118,639,725.40x = 177,959,588.10 × 93,159,328.60
  4. Step 4: Simplify right side
    118,639,725.40x = 16,578,595,745,328,548
  5. Step 5: Solve for x
    x = 16,578,595,745,328,548/118,639,725.40
  6. Step 6: Final answer
    x = 139,738,992.90

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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.