Home / 259,088,970.72-388,701,620.64-93,109,243.68

Finding the Fourth Proportional to 259,088,970.72, 388,701,620.64 and 93,109,243.68

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Solution

The fourth proportional to 259,088,970.72, 388,701,620.64 and 93,109,243.68 is: 139,688,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,088,970.72 : 388,701,620.64 = 93,109,243.68 : x
  2. Step 2: Convert to fraction form
    259,088,970.72/388,701,620.64 = 93,109,243.68/x
  3. Step 3: Cross multiply
    259,088,970.72x = 388,701,620.64 × 93,109,243.68
  4. Step 4: Simplify right side
    259,088,970.72x = 36,191,713,914,980,680
  5. Step 5: Solve for x
    x = 36,191,713,914,980,680/259,088,970.72
  6. Step 6: Final answer
    x = 139,688,361.93

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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.