Home / 108,634,647.40-162,951,971.10-51,239,019.40

Finding the Fourth Proportional to 108,634,647.40, 162,951,971.10 and 51,239,019.40

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Solution

The fourth proportional to 108,634,647.40, 162,951,971.10 and 51,239,019.40 is: 76,858,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634,647.40 : 162,951,971.10 = 51,239,019.40 : x
  2. Step 2: Convert to fraction form
    108,634,647.40/162,951,971.10 = 51,239,019.40/x
  3. Step 3: Cross multiply
    108,634,647.40x = 162,951,971.10 × 51,239,019.40
  4. Step 4: Simplify right side
    108,634,647.40x = 8,349,499,208,461,139
  5. Step 5: Solve for x
    x = 8,349,499,208,461,139/108,634,647.40
  6. Step 6: Final answer
    x = 76,858,529.10

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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.