Home / 228,007,014.09-314,650,143.09-123,585,156.15

Finding the Fourth Proportional to 228,007,014.09, 314,650,143.09 and 123,585,156.15

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Solution

The fourth proportional to 228,007,014.09, 314,650,143.09 and 123,585,156.15 is: 170,547,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,007,014.09 : 314,650,143.09 = 123,585,156.15 : x
  2. Step 2: Convert to fraction form
    228,007,014.09/314,650,143.09 = 123,585,156.15/x
  3. Step 3: Cross multiply
    228,007,014.09x = 314,650,143.09 × 123,585,156.15
  4. Step 4: Simplify right side
    228,007,014.09x = 38,886,087,066,397,496
  5. Step 5: Solve for x
    x = 38,886,087,066,397,496/228,007,014.09
  6. Step 6: Final answer
    x = 170,547,766.79

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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.