Home / 92,286,201.70-138,429,302.55-77,281,632.10

Finding the Fourth Proportional to 92,286,201.70, 138,429,302.55 and 77,281,632.10

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Solution

The fourth proportional to 92,286,201.70, 138,429,302.55 and 77,281,632.10 is: 115,922,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,286,201.70 : 138,429,302.55 = 77,281,632.10 : x
  2. Step 2: Convert to fraction form
    92,286,201.70/138,429,302.55 = 77,281,632.10/x
  3. Step 3: Cross multiply
    92,286,201.70x = 138,429,302.55 × 77,281,632.10
  4. Step 4: Simplify right side
    92,286,201.70x = 10,698,042,431,528,692
  5. Step 5: Solve for x
    x = 10,698,042,431,528,692/92,286,201.70
  6. Step 6: Final answer
    x = 115,922,448.15

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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.