Home / 201,582,044.40-302,429,053.80-86,621,660.40

Finding the Fourth Proportional to 201,582,044.40, 302,429,053.80 and 86,621,660.40

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Solution

The fourth proportional to 201,582,044.40, 302,429,053.80 and 86,621,660.40 is: 129,956,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,044.40 : 302,429,053.80 = 86,621,660.40 : x
  2. Step 2: Convert to fraction form
    201,582,044.40/302,429,053.80 = 86,621,660.40/x
  3. Step 3: Cross multiply
    201,582,044.40x = 302,429,053.80 × 86,621,660.40
  4. Step 4: Simplify right side
    201,582,044.40x = 26,196,906,793,356,932
  5. Step 5: Solve for x
    x = 26,196,906,793,356,932/201,582,044.40
  6. Step 6: Final answer
    x = 129,956,548.82

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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.