Home / 114,976,938.20-172,465,407.30-103,639,530.20

Finding the Fourth Proportional to 114,976,938.20, 172,465,407.30 and 103,639,530.20

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Solution

The fourth proportional to 114,976,938.20, 172,465,407.30 and 103,639,530.20 is: 155,459,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,976,938.20 : 172,465,407.30 = 103,639,530.20 : x
  2. Step 2: Convert to fraction form
    114,976,938.20/172,465,407.30 = 103,639,530.20/x
  3. Step 3: Cross multiply
    114,976,938.20x = 172,465,407.30 × 103,639,530.20
  4. Step 4: Simplify right side
    114,976,938.20x = 17,874,233,788,323,652
  5. Step 5: Solve for x
    x = 17,874,233,788,323,652/114,976,938.20
  6. Step 6: Final answer
    x = 155,459,295.30

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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.