Home / 126,317,619.60-189,476,429.40-124,617,008.40

Finding the Fourth Proportional to 126,317,619.60, 189,476,429.40 and 124,617,008.40

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Solution

The fourth proportional to 126,317,619.60, 189,476,429.40 and 124,617,008.40 is: 186,925,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317,619.60 : 189,476,429.40 = 124,617,008.40 : x
  2. Step 2: Convert to fraction form
    126,317,619.60/189,476,429.40 = 124,617,008.40/x
  3. Step 3: Cross multiply
    126,317,619.60x = 189,476,429.40 × 124,617,008.40
  4. Step 4: Simplify right side
    126,317,619.60x = 23,611,985,794,141,808
  5. Step 5: Solve for x
    x = 23,611,985,794,141,808/126,317,619.60
  6. Step 6: Final answer
    x = 186,925,512.60

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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.