Home / 201,582,403.40-302,429,592.30-86,622,019.40

Finding the Fourth Proportional to 201,582,403.40, 302,429,592.30 and 86,622,019.40

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Solution

The fourth proportional to 201,582,403.40, 302,429,592.30 and 86,622,019.40 is: 129,957,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,403.40 : 302,429,592.30 = 86,622,019.40 : x
  2. Step 2: Convert to fraction form
    201,582,403.40/302,429,592.30 = 86,622,019.40/x
  3. Step 3: Cross multiply
    201,582,403.40x = 302,429,592.30 × 86,622,019.40
  4. Step 4: Simplify right side
    201,582,403.40x = 26,197,062,011,344,692
  5. Step 5: Solve for x
    x = 26,197,062,011,344,692/201,582,403.40
  6. Step 6: Final answer
    x = 129,957,087.37

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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.