Home / 205,935,328.85-308,898,270.08-103,671,904.85

Finding the Fourth Proportional to 205,935,328.85, 308,898,270.08 and 103,671,904.85

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Solution

The fourth proportional to 205,935,328.85, 308,898,270.08 and 103,671,904.85 is: 155,505,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,328.85 : 308,898,270.08 = 103,671,904.85 : x
  2. Step 2: Convert to fraction form
    205,935,328.85/308,898,270.08 = 103,671,904.85/x
  3. Step 3: Cross multiply
    205,935,328.85x = 308,898,270.08 × 103,671,904.85
  4. Step 4: Simplify right side
    205,935,328.85x = 32,024,072,063,545,000
  5. Step 5: Solve for x
    x = 32,024,072,063,545,000/205,935,328.85
  6. Step 6: Final answer
    x = 155,505,479.52

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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.