Home / 143,804,538.15-215,706,807.23-99,801,223.35

Finding the Fourth Proportional to 143,804,538.15, 215,706,807.23 and 99,801,223.35

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Solution

The fourth proportional to 143,804,538.15, 215,706,807.23 and 99,801,223.35 is: 149,701,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,538.15 : 215,706,807.23 = 99,801,223.35 : x
  2. Step 2: Convert to fraction form
    143,804,538.15/215,706,807.23 = 99,801,223.35/x
  3. Step 3: Cross multiply
    143,804,538.15x = 215,706,807.23 × 99,801,223.35
  4. Step 4: Simplify right side
    143,804,538.15x = 21,527,803,245,977,616
  5. Step 5: Solve for x
    x = 21,527,803,245,977,616/143,804,538.15
  6. Step 6: Final answer
    x = 149,701,835.03

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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.