Home / 269,323,678.17-371,666,507.90-145,564,355.30

Finding the Fourth Proportional to 269,323,678.17, 371,666,507.90 and 145,564,355.30

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Solution

The fourth proportional to 269,323,678.17, 371,666,507.90 and 145,564,355.30 is: 200,878,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,323,678.17 : 371,666,507.90 = 145,564,355.30 : x
  2. Step 2: Convert to fraction form
    269,323,678.17/371,666,507.90 = 145,564,355.30/x
  3. Step 3: Cross multiply
    269,323,678.17x = 371,666,507.90 × 145,564,355.30
  4. Step 4: Simplify right side
    269,323,678.17x = 54,101,395,606,479,696
  5. Step 5: Solve for x
    x = 54,101,395,606,479,696/269,323,678.17
  6. Step 6: Final answer
    x = 200,878,719.52

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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.