Home / 73,020,359,924.42-100,768,020,270.92-40,905,948,136.89

Finding the Fourth Proportional to 73,020,359,924.42, 100,768,020,270.92 and 40,905,948,136.89

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Solution

The fourth proportional to 73,020,359,924.42, 100,768,020,270.92 and 40,905,948,136.89 is: 56,450,165,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020,359,924.42 : 100,768,020,270.92 = 40,905,948,136.89 : x
  2. Step 2: Convert to fraction form
    73,020,359,924.42/100,768,020,270.92 = 40,905,948,136.89/x
  3. Step 3: Cross multiply
    73,020,359,924.42x = 100,768,020,270.92 × 40,905,948,136.89
  4. Step 4: Simplify right side
    73,020,359,924.42x = 4,122,011,411,059,333,660,672
  5. Step 5: Solve for x
    x = 4,122,011,411,059,333,660,672/73,020,359,924.42
  6. Step 6: Final answer
    x = 56,450,165,615.81

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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.