Home / 121,188,698.96-181,786,780.92-52,996,289.36

Finding the Fourth Proportional to 121,188,698.96, 181,786,780.92 and 52,996,289.36

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Solution

The fourth proportional to 121,188,698.96, 181,786,780.92 and 52,996,289.36 is: 79,496,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,188,698.96 : 181,786,780.92 = 52,996,289.36 : x
  2. Step 2: Convert to fraction form
    121,188,698.96/181,786,780.92 = 52,996,289.36/x
  3. Step 3: Cross multiply
    121,188,698.96x = 181,786,780.92 × 52,996,289.36
  4. Step 4: Simplify right side
    121,188,698.96x = 9,634,024,843,459,246
  5. Step 5: Solve for x
    x = 9,634,024,843,459,246/121,188,698.96
  6. Step 6: Final answer
    x = 79,496,066.27

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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.