Home / 202,863,855.88-304,441,070.94-86,360,893.32

Finding the Fourth Proportional to 202,863,855.88, 304,441,070.94 and 86,360,893.32

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Solution

The fourth proportional to 202,863,855.88, 304,441,070.94 and 86,360,893.32 is: 129,603,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,863,855.88 : 304,441,070.94 = 86,360,893.32 : x
  2. Step 2: Convert to fraction form
    202,863,855.88/304,441,070.94 = 86,360,893.32/x
  3. Step 3: Cross multiply
    202,863,855.88x = 304,441,070.94 × 86,360,893.32
  4. Step 4: Simplify right side
    202,863,855.88x = 26,291,802,849,675,888
  5. Step 5: Solve for x
    x = 26,291,802,849,675,888/202,863,855.88
  6. Step 6: Final answer
    x = 129,603,189.96

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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.