Home / 269,323,655.65-371,666,476.87-145,564,332.78

Finding the Fourth Proportional to 269,323,655.65, 371,666,476.87 and 145,564,332.78

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Solution

The fourth proportional to 269,323,655.65, 371,666,476.87 and 145,564,332.78 is: 200,878,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,323,655.65 : 371,666,476.87 = 145,564,332.78 : x
  2. Step 2: Convert to fraction form
    269,323,655.65/371,666,476.87 = 145,564,332.78/x
  3. Step 3: Cross multiply
    269,323,655.65x = 371,666,476.87 × 145,564,332.78
  4. Step 4: Simplify right side
    269,323,655.65x = 54,101,382,722,033,192
  5. Step 5: Solve for x
    x = 54,101,382,722,033,192/269,323,655.65
  6. Step 6: Final answer
    x = 200,878,688.47

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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.