Home / 318,897,666.08-478,243,096.49-122,150,610.11

Finding the Fourth Proportional to 318,897,666.08, 478,243,096.49 and 122,150,610.11

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Solution

The fourth proportional to 318,897,666.08, 478,243,096.49 and 122,150,610.11 is: 183,186,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,897,666.08 : 478,243,096.49 = 122,150,610.11 : x
  2. Step 2: Convert to fraction form
    318,897,666.08/478,243,096.49 = 122,150,610.11/x
  3. Step 3: Cross multiply
    318,897,666.08x = 478,243,096.49 × 122,150,610.11
  4. Step 4: Simplify right side
    318,897,666.08x = 58,417,686,014,147,136
  5. Step 5: Solve for x
    x = 58,417,686,014,147,136/318,897,666.08
  6. Step 6: Final answer
    x = 183,186,307.80

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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.