Home / 92,945,678.85-139,431,804.30-31,537,671.30

Finding the Fourth Proportional to 92,945,678.85, 139,431,804.30 and 31,537,671.30

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Solution

The fourth proportional to 92,945,678.85, 139,431,804.30 and 31,537,671.30 is: 47,311,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945,678.85 : 139,431,804.30 = 31,537,671.30 : x
  2. Step 2: Convert to fraction form
    92,945,678.85/139,431,804.30 = 31,537,671.30/x
  3. Step 3: Cross multiply
    92,945,678.85x = 139,431,804.30 × 31,537,671.30
  4. Step 4: Simplify right side
    92,945,678.85x = 4,397,354,412,779,327
  5. Step 5: Solve for x
    x = 4,397,354,412,779,327/92,945,678.85
  6. Step 6: Final answer
    x = 47,311,015.07

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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.