Home / 201,582,292.40-302,429,425.80-86,621,908.40

Finding the Fourth Proportional to 201,582,292.40, 302,429,425.80 and 86,621,908.40

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Solution

The fourth proportional to 201,582,292.40, 302,429,425.80 and 86,621,908.40 is: 129,956,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,292.40 : 302,429,425.80 = 86,621,908.40 : x
  2. Step 2: Convert to fraction form
    201,582,292.40/302,429,425.80 = 86,621,908.40/x
  3. Step 3: Cross multiply
    201,582,292.40x = 302,429,425.80 × 86,621,908.40
  4. Step 4: Simplify right side
    201,582,292.40x = 26,197,014,019,112,200
  5. Step 5: Solve for x
    x = 26,197,014,019,112,200/201,582,292.40
  6. Step 6: Final answer
    x = 129,956,920.85

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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.