Home / 113,368,412.10-170,052,618.15-74,401,320.90

Finding the Fourth Proportional to 113,368,412.10, 170,052,618.15 and 74,401,320.90

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Solution

The fourth proportional to 113,368,412.10, 170,052,618.15 and 74,401,320.90 is: 111,601,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368,412.10 : 170,052,618.15 = 74,401,320.90 : x
  2. Step 2: Convert to fraction form
    113,368,412.10/170,052,618.15 = 74,401,320.90/x
  3. Step 3: Cross multiply
    113,368,412.10x = 170,052,618.15 × 74,401,320.90
  4. Step 4: Simplify right side
    113,368,412.10x = 12,652,139,412,863,316
  5. Step 5: Solve for x
    x = 12,652,139,412,863,316/113,368,412.10
  6. Step 6: Final answer
    x = 111,601,981.35

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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.