Home / 51,148,433.42-76,771,155.10-31,658,704.77

Finding the Fourth Proportional to 51,148,433.42, 76,771,155.10 and 31,658,704.77

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Solution

The fourth proportional to 51,148,433.42, 76,771,155.10 and 31,658,704.77 is: 47,518,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148,433.42 : 76,771,155.10 = 31,658,704.77 : x
  2. Step 2: Convert to fraction form
    51,148,433.42/76,771,155.10 = 31,658,704.77/x
  3. Step 3: Cross multiply
    51,148,433.42x = 76,771,155.10 × 31,658,704.77
  4. Step 4: Simplify right side
    51,148,433.42x = 2,430,475,333,699,777
  5. Step 5: Solve for x
    x = 2,430,475,333,699,777/51,148,433.42
  6. Step 6: Final answer
    x = 47,518,079.66

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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.