Home / 429,606,172.14-644,061,709.50-134,349,385.50

Finding the Fourth Proportional to 429,606,172.14, 644,061,709.50 and 134,349,385.50

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Solution

The fourth proportional to 429,606,172.14, 644,061,709.50 and 134,349,385.50 is: 201,415,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,606,172.14 : 644,061,709.50 = 134,349,385.50 : x
  2. Step 2: Convert to fraction form
    429,606,172.14/644,061,709.50 = 134,349,385.50/x
  3. Step 3: Cross multiply
    429,606,172.14x = 644,061,709.50 × 134,349,385.50
  4. Step 4: Simplify right side
    429,606,172.14x = 86,529,294,895,404,512
  5. Step 5: Solve for x
    x = 86,529,294,895,404,512/429,606,172.14
  6. Step 6: Final answer
    x = 201,415,390.44

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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.