Home / 55,389,658.16-83,010,220.28-43,108,450.96

Finding the Fourth Proportional to 55,389,658.16, 83,010,220.28 and 43,108,450.96

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Solution

The fourth proportional to 55,389,658.16, 83,010,220.28 and 43,108,450.96 is: 64,604,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389,658.16 : 83,010,220.28 = 43,108,450.96 : x
  2. Step 2: Convert to fraction form
    55,389,658.16/83,010,220.28 = 43,108,450.96/x
  3. Step 3: Cross multiply
    55,389,658.16x = 83,010,220.28 × 43,108,450.96
  4. Step 4: Simplify right side
    55,389,658.16x = 3,578,442,010,119,177.50
  5. Step 5: Solve for x
    x = 3,578,442,010,119,177.50/55,389,658.16
  6. Step 6: Final answer
    x = 64,604,876.23

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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.