Home / 308,863,671.47-463,313,016.39-98,792,809.16

Finding the Fourth Proportional to 308,863,671.47, 463,313,016.39 and 98,792,809.16

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Solution

The fourth proportional to 308,863,671.47, 463,313,016.39 and 98,792,809.16 is: 148,194,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,863,671.47 : 463,313,016.39 = 98,792,809.16 : x
  2. Step 2: Convert to fraction form
    308,863,671.47/463,313,016.39 = 98,792,809.16/x
  3. Step 3: Cross multiply
    308,863,671.47x = 463,313,016.39 × 98,792,809.16
  4. Step 4: Simplify right side
    308,863,671.47x = 45,771,994,410,240,528
  5. Step 5: Solve for x
    x = 45,771,994,410,240,528/308,863,671.47
  6. Step 6: Final answer
    x = 148,194,814.21

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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.