Home / 105,008,956.48-157,512,773.76-56,509,655.68

Finding the Fourth Proportional to 105,008,956.48, 157,512,773.76 and 56,509,655.68

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Solution

The fourth proportional to 105,008,956.48, 157,512,773.76 and 56,509,655.68 is: 84,764,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,956.48 : 157,512,773.76 = 56,509,655.68 : x
  2. Step 2: Convert to fraction form
    105,008,956.48/157,512,773.76 = 56,509,655.68/x
  3. Step 3: Cross multiply
    105,008,956.48x = 157,512,773.76 × 56,509,655.68
  4. Step 4: Simplify right side
    105,008,956.48x = 8,900,992,610,379,338
  5. Step 5: Solve for x
    x = 8,900,992,610,379,338/105,008,956.48
  6. Step 6: Final answer
    x = 84,764,127.83

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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.