Home / 126,372,214.80-189,579,317.40-49,697,744.40

Finding the Fourth Proportional to 126,372,214.80, 189,579,317.40 and 49,697,744.40

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Solution

The fourth proportional to 126,372,214.80, 189,579,317.40 and 49,697,744.40 is: 74,554,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,214.80 : 189,579,317.40 = 49,697,744.40 : x
  2. Step 2: Convert to fraction form
    126,372,214.80/189,579,317.40 = 49,697,744.40/x
  3. Step 3: Cross multiply
    126,372,214.80x = 189,579,317.40 × 49,697,744.40
  4. Step 4: Simplify right side
    126,372,214.80x = 9,421,664,459,671,672
  5. Step 5: Solve for x
    x = 9,421,664,459,671,672/126,372,214.80
  6. Step 6: Final answer
    x = 74,554,873.27

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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.