Home / 319,569,624.48-478,930,667.85-164,117,153.27

Finding the Fourth Proportional to 319,569,624.48, 478,930,667.85 and 164,117,153.27

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Solution

The fourth proportional to 319,569,624.48, 478,930,667.85 and 164,117,153.27 is: 245,958,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,569,624.48 : 478,930,667.85 = 164,117,153.27 : x
  2. Step 2: Convert to fraction form
    319,569,624.48/478,930,667.85 = 164,117,153.27/x
  3. Step 3: Cross multiply
    319,569,624.48x = 478,930,667.85 × 164,117,153.27
  4. Step 4: Simplify right side
    319,569,624.48x = 78,600,737,818,847,248
  5. Step 5: Solve for x
    x = 78,600,737,818,847,248/319,569,624.48
  6. Step 6: Final answer
    x = 245,958,100.52

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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.