Home / 145,900,175.43-201,347,014.92-79,819,140.72

Finding the Fourth Proportional to 145,900,175.43, 201,347,014.92 and 79,819,140.72

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Solution

The fourth proportional to 145,900,175.43, 201,347,014.92 and 79,819,140.72 is: 110,153,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,900,175.43 : 201,347,014.92 = 79,819,140.72 : x
  2. Step 2: Convert to fraction form
    145,900,175.43/201,347,014.92 = 79,819,140.72/x
  3. Step 3: Cross multiply
    145,900,175.43x = 201,347,014.92 × 79,819,140.72
  4. Step 4: Simplify right side
    145,900,175.43x = 16,071,345,717,451,418
  5. Step 5: Solve for x
    x = 16,071,345,717,451,418/145,900,175.43
  6. Step 6: Final answer
    x = 110,153,025.31

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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.