Home / 257,809,727.69-355,786,017.89-144,799,134.65

Finding the Fourth Proportional to 257,809,727.69, 355,786,017.89 and 144,799,134.65

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Solution

The fourth proportional to 257,809,727.69, 355,786,017.89 and 144,799,134.65 is: 199,827,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,809,727.69 : 355,786,017.89 = 144,799,134.65 : x
  2. Step 2: Convert to fraction form
    257,809,727.69/355,786,017.89 = 144,799,134.65/x
  3. Step 3: Cross multiply
    257,809,727.69x = 355,786,017.89 × 144,799,134.65
  4. Step 4: Simplify right side
    257,809,727.69x = 51,517,507,509,872,688
  5. Step 5: Solve for x
    x = 51,517,507,509,872,688/257,809,727.69
  6. Step 6: Final answer
    x = 199,827,632.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.