Home / 205,935,355.35-308,898,309.82-103,671,931.35

Finding the Fourth Proportional to 205,935,355.35, 308,898,309.82 and 103,671,931.35

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Solution

The fourth proportional to 205,935,355.35, 308,898,309.82 and 103,671,931.35 is: 155,505,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,355.35 : 308,898,309.82 = 103,671,931.35 : x
  2. Step 2: Convert to fraction form
    205,935,355.35/308,898,309.82 = 103,671,931.35/x
  3. Step 3: Cross multiply
    205,935,355.35x = 308,898,309.82 × 103,671,931.35
  4. Step 4: Simplify right side
    205,935,355.35x = 32,024,084,369,790,068
  5. Step 5: Solve for x
    x = 32,024,084,369,790,068/205,935,355.35
  6. Step 6: Final answer
    x = 155,505,519.27

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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.