Home / 265,890,347.34-366,989,900.49-155,917,489.74

Finding the Fourth Proportional to 265,890,347.34, 366,989,900.49 and 155,917,489.74

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Solution

The fourth proportional to 265,890,347.34, 366,989,900.49 and 155,917,489.74 is: 215,202,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,347.34 : 366,989,900.49 = 155,917,489.74 : x
  2. Step 2: Convert to fraction form
    265,890,347.34/366,989,900.49 = 155,917,489.74/x
  3. Step 3: Cross multiply
    265,890,347.34x = 366,989,900.49 × 155,917,489.74
  4. Step 4: Simplify right side
    265,890,347.34x = 57,220,144,044,333,200
  5. Step 5: Solve for x
    x = 57,220,144,044,333,200/265,890,347.34
  6. Step 6: Final answer
    x = 215,202,035.79

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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.