Home / 105,725,334.24-145,952,224.56-70,905,287.52

Finding the Fourth Proportional to 105,725,334.24, 145,952,224.56 and 70,905,287.52

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Solution

The fourth proportional to 105,725,334.24, 145,952,224.56 and 70,905,287.52 is: 97,883,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,725,334.24 : 145,952,224.56 = 70,905,287.52 : x
  2. Step 2: Convert to fraction form
    105,725,334.24/145,952,224.56 = 70,905,287.52/x
  3. Step 3: Cross multiply
    105,725,334.24x = 145,952,224.56 × 70,905,287.52
  4. Step 4: Simplify right side
    105,725,334.24x = 10,348,784,446,610,406
  5. Step 5: Solve for x
    x = 10,348,784,446,610,406/105,725,334.24
  6. Step 6: Final answer
    x = 97,883,676.80

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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.