Home / 55,646,715.10-83,470,072.65-38,328,007.90

Finding the Fourth Proportional to 55,646,715.10, 83,470,072.65 and 38,328,007.90

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Solution

The fourth proportional to 55,646,715.10, 83,470,072.65 and 38,328,007.90 is: 57,492,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646,715.10 : 83,470,072.65 = 38,328,007.90 : x
  2. Step 2: Convert to fraction form
    55,646,715.10/83,470,072.65 = 38,328,007.90/x
  3. Step 3: Cross multiply
    55,646,715.10x = 83,470,072.65 × 38,328,007.90
  4. Step 4: Simplify right side
    55,646,715.10x = 3,199,241,603,942,774
  5. Step 5: Solve for x
    x = 3,199,241,603,942,774/55,646,715.10
  6. Step 6: Final answer
    x = 57,492,011.85

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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.