Home / 126,400,624.40-189,317,501.40-103,725,808.40

Finding the Fourth Proportional to 126,400,624.40, 189,317,501.40 and 103,725,808.40

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Solution

The fourth proportional to 126,400,624.40, 189,317,501.40 and 103,725,808.40 is: 155,356,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400,624.40 : 189,317,501.40 = 103,725,808.40 : x
  2. Step 2: Convert to fraction form
    126,400,624.40/189,317,501.40 = 103,725,808.40/x
  3. Step 3: Cross multiply
    126,400,624.40x = 189,317,501.40 × 103,725,808.40
  4. Step 4: Simplify right side
    126,400,624.40x = 19,637,110,876,983,132
  5. Step 5: Solve for x
    x = 19,637,110,876,983,132/126,400,624.40
  6. Step 6: Final answer
    x = 155,356,122.41

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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.