Home / 220,787,822.63-304,689,210.29-121,672,126.28

Finding the Fourth Proportional to 220,787,822.63, 304,689,210.29 and 121,672,126.28

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Solution

The fourth proportional to 220,787,822.63, 304,689,210.29 and 121,672,126.28 is: 167,908,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,787,822.63 : 304,689,210.29 = 121,672,126.28 : x
  2. Step 2: Convert to fraction form
    220,787,822.63/304,689,210.29 = 121,672,126.28/x
  3. Step 3: Cross multiply
    220,787,822.63x = 304,689,210.29 × 121,672,126.28
  4. Step 4: Simplify right side
    220,787,822.63x = 37,072,184,071,167,984
  5. Step 5: Solve for x
    x = 37,072,184,071,167,984/220,787,822.63
  6. Step 6: Final answer
    x = 167,908,644.73

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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.