Home / 73,992,000.20-110,988,000.30-72,716,541.80

Finding the Fourth Proportional to 73,992,000.20, 110,988,000.30 and 72,716,541.80

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Solution

The fourth proportional to 73,992,000.20, 110,988,000.30 and 72,716,541.80 is: 109,074,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,992,000.20 : 110,988,000.30 = 72,716,541.80 : x
  2. Step 2: Convert to fraction form
    73,992,000.20/110,988,000.30 = 72,716,541.80/x
  3. Step 3: Cross multiply
    73,992,000.20x = 110,988,000.30 × 72,716,541.80
  4. Step 4: Simplify right side
    73,992,000.20x = 8,070,663,563,113,362
  5. Step 5: Solve for x
    x = 8,070,663,563,113,362/73,992,000.20
  6. Step 6: Final answer
    x = 109,074,812.70

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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.