Home / 43,162,719.40-64,744,079.10-31,116,723.40

Finding the Fourth Proportional to 43,162,719.40, 64,744,079.10 and 31,116,723.40

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Solution

The fourth proportional to 43,162,719.40, 64,744,079.10 and 31,116,723.40 is: 46,675,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162,719.40 : 64,744,079.10 = 31,116,723.40 : x
  2. Step 2: Convert to fraction form
    43,162,719.40/64,744,079.10 = 31,116,723.40/x
  3. Step 3: Cross multiply
    43,162,719.40x = 64,744,079.10 × 31,116,723.40
  4. Step 4: Simplify right side
    43,162,719.40x = 2,014,623,601,142,421
  5. Step 5: Solve for x
    x = 2,014,623,601,142,421/43,162,719.40
  6. Step 6: Final answer
    x = 46,675,085.10

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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.