Home / 57,461,942.76-79,299,167.72-31,358,145.18

Finding the Fourth Proportional to 57,461,942.76, 79,299,167.72 and 31,358,145.18

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Solution

The fourth proportional to 57,461,942.76, 79,299,167.72 and 31,358,145.18 is: 43,275,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,461,942.76 : 79,299,167.72 = 31,358,145.18 : x
  2. Step 2: Convert to fraction form
    57,461,942.76/79,299,167.72 = 31,358,145.18/x
  3. Step 3: Cross multiply
    57,461,942.76x = 79,299,167.72 × 31,358,145.18
  4. Step 4: Simplify right side
    57,461,942.76x = 2,486,674,813,860,139
  5. Step 5: Solve for x
    x = 2,486,674,813,860,139/57,461,942.76
  6. Step 6: Final answer
    x = 43,275,160.82

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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.