Home / 119,865,610,457.28-165,393,516,426-68,400,672,698.40

Finding the Fourth Proportional to 119,865,610,457.28, 165,393,516,426 and 68,400,672,698.40

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Solution

The fourth proportional to 119,865,610,457.28, 165,393,516,426 and 68,400,672,698.40 is: 94,380,929,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,865,610,457.28 : 165,393,516,426 = 68,400,672,698.40 : x
  2. Step 2: Convert to fraction form
    119,865,610,457.28/165,393,516,426 = 68,400,672,698.40/x
  3. Step 3: Cross multiply
    119,865,610,457.28x = 165,393,516,426 × 68,400,672,698.40
  4. Step 4: Simplify right side
    119,865,610,457.28x = 11,313,027,783,492,269,768,704
  5. Step 5: Solve for x
    x = 11,313,027,783,492,269,768,704/119,865,610,457.28
  6. Step 6: Final answer
    x = 94,380,929,945.91

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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.