Home / 70,149,842.16-96,808,821.24-38,361,880.56

Finding the Fourth Proportional to 70,149,842.16, 96,808,821.24 and 38,361,880.56

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Solution

The fourth proportional to 70,149,842.16, 96,808,821.24 and 38,361,880.56 is: 52,940,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,149,842.16 : 96,808,821.24 = 38,361,880.56 : x
  2. Step 2: Convert to fraction form
    70,149,842.16/96,808,821.24 = 38,361,880.56/x
  3. Step 3: Cross multiply
    70,149,842.16x = 96,808,821.24 × 38,361,880.56
  4. Step 4: Simplify right side
    70,149,842.16x = 3,713,768,437,563,271
  5. Step 5: Solve for x
    x = 3,713,768,437,563,271/70,149,842.16
  6. Step 6: Final answer
    x = 52,940,510.25

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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.