Home / 253,465,114-349,721,881.68-143,456,830.24

Finding the Fourth Proportional to 253,465,114, 349,721,881.68 and 143,456,830.24

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Solution

The fourth proportional to 253,465,114, 349,721,881.68 and 143,456,830.24 is: 197,936,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,465,114 : 349,721,881.68 = 143,456,830.24 : x
  2. Step 2: Convert to fraction form
    253,465,114/349,721,881.68 = 143,456,830.24/x
  3. Step 3: Cross multiply
    253,465,114x = 349,721,881.68 × 143,456,830.24
  4. Step 4: Simplify right side
    253,465,114x = 50,169,992,611,381,128
  5. Step 5: Solve for x
    x = 50,169,992,611,381,128/253,465,114
  6. Step 6: Final answer
    x = 197,936,480.57

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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.