Home / 308,006,639.07-462,010,746.20-77,975,748.33

Finding the Fourth Proportional to 308,006,639.07, 462,010,746.20 and 77,975,748.33

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Solution

The fourth proportional to 308,006,639.07, 462,010,746.20 and 77,975,748.33 is: 116,963,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,006,639.07 : 462,010,746.20 = 77,975,748.33 : x
  2. Step 2: Convert to fraction form
    308,006,639.07/462,010,746.20 = 77,975,748.33/x
  3. Step 3: Cross multiply
    308,006,639.07x = 462,010,746.20 × 77,975,748.33
  4. Step 4: Simplify right side
    308,006,639.07x = 36,025,633,671,056,824
  5. Step 5: Solve for x
    x = 36,025,633,671,056,824/308,006,639.07
  6. Step 6: Final answer
    x = 116,963,821.88

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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.