Home / 143,651,492.70-215,508,731.85-46,590,683.10

Finding the Fourth Proportional to 143,651,492.70, 215,508,731.85 and 46,590,683.10

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Solution

The fourth proportional to 143,651,492.70, 215,508,731.85 and 46,590,683.10 is: 69,896,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,651,492.70 : 215,508,731.85 = 46,590,683.10 : x
  2. Step 2: Convert to fraction form
    143,651,492.70/215,508,731.85 = 46,590,683.10/x
  3. Step 3: Cross multiply
    143,651,492.70x = 215,508,731.85 × 46,590,683.10
  4. Step 4: Simplify right side
    143,651,492.70x = 10,040,699,030,906,226
  5. Step 5: Solve for x
    x = 10,040,699,030,906,226/143,651,492.70
  6. Step 6: Final answer
    x = 69,896,238.75

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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.