Home / 74,429,989.20-111,678,161.40-34,019,672.40

Finding the Fourth Proportional to 74,429,989.20, 111,678,161.40 and 34,019,672.40

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Solution

The fourth proportional to 74,429,989.20, 111,678,161.40 and 34,019,672.40 is: 51,044,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429,989.20 : 111,678,161.40 = 34,019,672.40 : x
  2. Step 2: Convert to fraction form
    74,429,989.20/111,678,161.40 = 34,019,672.40/x
  3. Step 3: Cross multiply
    74,429,989.20x = 111,678,161.40 × 34,019,672.40
  4. Step 4: Simplify right side
    74,429,989.20x = 3,799,254,465,062,325.50
  5. Step 5: Solve for x
    x = 3,799,254,465,062,325.50/74,429,989.20
  6. Step 6: Final answer
    x = 51,044,673.07

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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.