Home / 143,804,570.15-215,706,855.23-99,801,255.35

Finding the Fourth Proportional to 143,804,570.15, 215,706,855.23 and 99,801,255.35

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Solution

The fourth proportional to 143,804,570.15, 215,706,855.23 and 99,801,255.35 is: 149,701,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,570.15 : 215,706,855.23 = 99,801,255.35 : x
  2. Step 2: Convert to fraction form
    143,804,570.15/215,706,855.23 = 99,801,255.35/x
  3. Step 3: Cross multiply
    143,804,570.15x = 215,706,855.23 × 99,801,255.35
  4. Step 4: Simplify right side
    143,804,570.15x = 21,527,814,939,554,712
  5. Step 5: Solve for x
    x = 21,527,814,939,554,712/143,804,570.15
  6. Step 6: Final answer
    x = 149,701,883.03

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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.