Home / 76,615,419.28-105,731,521.96-41,810,352.40

Finding the Fourth Proportional to 76,615,419.28, 105,731,521.96 and 41,810,352.40

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Solution

The fourth proportional to 76,615,419.28, 105,731,521.96 and 41,810,352.40 is: 57,699,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,419.28 : 105,731,521.96 = 41,810,352.40 : x
  2. Step 2: Convert to fraction form
    76,615,419.28/105,731,521.96 = 41,810,352.40/x
  3. Step 3: Cross multiply
    76,615,419.28x = 105,731,521.96 × 41,810,352.40
  4. Step 4: Simplify right side
    76,615,419.28x = 4,420,672,192,935,938.50
  5. Step 5: Solve for x
    x = 4,420,672,192,935,938.50/76,615,419.28
  6. Step 6: Final answer
    x = 57,699,510.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.