Home / 64,162,117.80-96,231,366.90-39,857,549.40

Finding the Fourth Proportional to 64,162,117.80, 96,231,366.90 and 39,857,549.40

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Solution

The fourth proportional to 64,162,117.80, 96,231,366.90 and 39,857,549.40 is: 59,778,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162,117.80 : 96,231,366.90 = 39,857,549.40 : x
  2. Step 2: Convert to fraction form
    64,162,117.80/96,231,366.90 = 39,857,549.40/x
  3. Step 3: Cross multiply
    64,162,117.80x = 96,231,366.90 × 39,857,549.40
  4. Step 4: Simplify right side
    64,162,117.80x = 3,835,546,460,046,275
  5. Step 5: Solve for x
    x = 3,835,546,460,046,275/64,162,117.80
  6. Step 6: Final answer
    x = 59,778,987.84

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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.