Home / 74,003,814.40-110,793,145.20-45,306,000.40

Finding the Fourth Proportional to 74,003,814.40, 110,793,145.20 and 45,306,000.40

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Solution

The fourth proportional to 74,003,814.40, 110,793,145.20 and 45,306,000.40 is: 67,828,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,003,814.40 : 110,793,145.20 = 45,306,000.40 : x
  2. Step 2: Convert to fraction form
    74,003,814.40/110,793,145.20 = 45,306,000.40/x
  3. Step 3: Cross multiply
    74,003,814.40x = 110,793,145.20 × 45,306,000.40
  4. Step 4: Simplify right side
    74,003,814.40x = 5,019,594,280,748,458
  5. Step 5: Solve for x
    x = 5,019,594,280,748,458/74,003,814.40
  6. Step 6: Final answer
    x = 67,828,858.84

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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.