Home / 89,821,167.30-134,731,750.95-80,733,526.20

Finding the Fourth Proportional to 89,821,167.30, 134,731,750.95 and 80,733,526.20

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Solution

The fourth proportional to 89,821,167.30, 134,731,750.95 and 80,733,526.20 is: 121,100,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,821,167.30 : 134,731,750.95 = 80,733,526.20 : x
  2. Step 2: Convert to fraction form
    89,821,167.30/134,731,750.95 = 80,733,526.20/x
  3. Step 3: Cross multiply
    89,821,167.30x = 134,731,750.95 × 80,733,526.20
  4. Step 4: Simplify right side
    89,821,167.30x = 10,877,369,345,293,700
  5. Step 5: Solve for x
    x = 10,877,369,345,293,700/89,821,167.30
  6. Step 6: Final answer
    x = 121,100,289.30

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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.