Home / 141,709,123.40-212,601,009.90-50,823,235.40

Finding the Fourth Proportional to 141,709,123.40, 212,601,009.90 and 50,823,235.40

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Solution

The fourth proportional to 141,709,123.40, 212,601,009.90 and 50,823,235.40 is: 76,248,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709,123.40 : 212,601,009.90 = 50,823,235.40 : x
  2. Step 2: Convert to fraction form
    141,709,123.40/212,601,009.90 = 50,823,235.40/x
  3. Step 3: Cross multiply
    141,709,123.40x = 212,601,009.90 × 50,823,235.40
  4. Step 4: Simplify right side
    141,709,123.40x = 10,805,071,172,425,430
  5. Step 5: Solve for x
    x = 10,805,071,172,425,430/141,709,123.40
  6. Step 6: Final answer
    x = 76,248,239.44

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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.