Home / 92,286,176.70-138,429,265.05-77,281,607.10

Finding the Fourth Proportional to 92,286,176.70, 138,429,265.05 and 77,281,607.10

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Solution

The fourth proportional to 92,286,176.70, 138,429,265.05 and 77,281,607.10 is: 115,922,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,286,176.70 : 138,429,265.05 = 77,281,607.10 : x
  2. Step 2: Convert to fraction form
    92,286,176.70/138,429,265.05 = 77,281,607.10/x
  3. Step 3: Cross multiply
    92,286,176.70x = 138,429,265.05 × 77,281,607.10
  4. Step 4: Simplify right side
    92,286,176.70x = 10,698,036,072,735,862
  5. Step 5: Solve for x
    x = 10,698,036,072,735,862/92,286,176.70
  6. Step 6: Final answer
    x = 115,922,410.65

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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.