Home / 124,918,861.34-187,417,491.26-75,120,997.10

Finding the Fourth Proportional to 124,918,861.34, 187,417,491.26 and 75,120,997.10

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Solution

The fourth proportional to 124,918,861.34, 187,417,491.26 and 75,120,997.10 is: 112,705,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918,861.34 : 187,417,491.26 = 75,120,997.10 : x
  2. Step 2: Convert to fraction form
    124,918,861.34/187,417,491.26 = 75,120,997.10/x
  3. Step 3: Cross multiply
    124,918,861.34x = 187,417,491.26 × 75,120,997.10
  4. Step 4: Simplify right side
    124,918,861.34x = 14,078,988,817,431,734
  5. Step 5: Solve for x
    x = 14,078,988,817,431,734/124,918,861.34
  6. Step 6: Final answer
    x = 112,705,068.45

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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.