Home / 127,098,090.43-190,720,688.77-53,315,262.75

Finding the Fourth Proportional to 127,098,090.43, 190,720,688.77 and 53,315,262.75

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Solution

The fourth proportional to 127,098,090.43, 190,720,688.77 and 53,315,262.75 is: 80,003,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,098,090.43 : 190,720,688.77 = 53,315,262.75 : x
  2. Step 2: Convert to fraction form
    127,098,090.43/190,720,688.77 = 53,315,262.75/x
  3. Step 3: Cross multiply
    127,098,090.43x = 190,720,688.77 × 53,315,262.75
  4. Step 4: Simplify right side
    127,098,090.43x = 10,168,323,634,415,370
  5. Step 5: Solve for x
    x = 10,168,323,634,415,370/127,098,090.43
  6. Step 6: Final answer
    x = 80,003,748.29

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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.