Home / 205,935,329.85-308,898,271.57-103,671,905.85

Finding the Fourth Proportional to 205,935,329.85, 308,898,271.57 and 103,671,905.85

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Solution

The fourth proportional to 205,935,329.85, 308,898,271.57 and 103,671,905.85 is: 155,505,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,329.85 : 308,898,271.57 = 103,671,905.85 : x
  2. Step 2: Convert to fraction form
    205,935,329.85/308,898,271.57 = 103,671,905.85/x
  3. Step 3: Cross multiply
    205,935,329.85x = 308,898,271.57 × 103,671,905.85
  4. Step 4: Simplify right side
    205,935,329.85x = 32,024,072,527,432,768
  5. Step 5: Solve for x
    x = 32,024,072,527,432,768/205,935,329.85
  6. Step 6: Final answer
    x = 155,505,481.02

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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.