Home / 108,634,646.40-162,951,969.60-51,239,018.40

Finding the Fourth Proportional to 108,634,646.40, 162,951,969.60 and 51,239,018.40

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Solution

The fourth proportional to 108,634,646.40, 162,951,969.60 and 51,239,018.40 is: 76,858,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634,646.40 : 162,951,969.60 = 51,239,018.40 : x
  2. Step 2: Convert to fraction form
    108,634,646.40/162,951,969.60 = 51,239,018.40/x
  3. Step 3: Cross multiply
    108,634,646.40x = 162,951,969.60 × 51,239,018.40
  4. Step 4: Simplify right side
    108,634,646.40x = 8,349,498,968,650,640
  5. Step 5: Solve for x
    x = 8,349,498,968,650,640/108,634,646.40
  6. Step 6: Final answer
    x = 76,858,527.60

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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.