Home / 30,124,574,175.83-41,570,664,005.24-16,391,424,136.61

Finding the Fourth Proportional to 30,124,574,175.83, 41,570,664,005.24 and 16,391,424,136.61

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Solution

The fourth proportional to 30,124,574,175.83, 41,570,664,005.24 and 16,391,424,136.61 is: 22,619,486,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124,574,175.83 : 41,570,664,005.24 = 16,391,424,136.61 : x
  2. Step 2: Convert to fraction form
    30,124,574,175.83/41,570,664,005.24 = 16,391,424,136.61/x
  3. Step 3: Cross multiply
    30,124,574,175.83x = 41,570,664,005.24 × 16,391,424,136.61
  4. Step 4: Simplify right side
    30,124,574,175.83x = 681,402,385,350,520,209,408
  5. Step 5: Solve for x
    x = 681,402,385,350,520,209,408/30,124,574,175.83
  6. Step 6: Final answer
    x = 22,619,486,050.61

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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.