Home / 72,949,421.88-109,461,855.42-32,037,620.76

Finding the Fourth Proportional to 72,949,421.88, 109,461,855.42 and 32,037,620.76

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Solution

The fourth proportional to 72,949,421.88, 109,461,855.42 and 32,037,620.76 is: 48,072,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,949,421.88 : 109,461,855.42 = 32,037,620.76 : x
  2. Step 2: Convert to fraction form
    72,949,421.88/109,461,855.42 = 32,037,620.76/x
  3. Step 3: Cross multiply
    72,949,421.88x = 109,461,855.42 × 32,037,620.76
  4. Step 4: Simplify right side
    72,949,421.88x = 3,506,897,411,631,911
  5. Step 5: Solve for x
    x = 3,506,897,411,631,911/72,949,421.88
  6. Step 6: Final answer
    x = 48,072,997.99

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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.