Home / 189,448,770.04-261,436,543.03-105,818,090.68

Finding the Fourth Proportional to 189,448,770.04, 261,436,543.03 and 105,818,090.68

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Solution

The fourth proportional to 189,448,770.04, 261,436,543.03 and 105,818,090.68 is: 146,027,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448,770.04 : 261,436,543.03 = 105,818,090.68 : x
  2. Step 2: Convert to fraction form
    189,448,770.04/261,436,543.03 = 105,818,090.68/x
  3. Step 3: Cross multiply
    189,448,770.04x = 261,436,543.03 × 105,818,090.68
  4. Step 4: Simplify right side
    189,448,770.04x = 27,664,715,815,842,532
  5. Step 5: Solve for x
    x = 27,664,715,815,842,532/189,448,770.04
  6. Step 6: Final answer
    x = 146,027,423.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.