Home / 219,075,948.29-328,092,254.60-126,765,144.14

Finding the Fourth Proportional to 219,075,948.29, 328,092,254.60 and 126,765,144.14

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Solution

The fourth proportional to 219,075,948.29, 328,092,254.60 and 126,765,144.14 is: 189,845,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,075,948.29 : 328,092,254.60 = 126,765,144.14 : x
  2. Step 2: Convert to fraction form
    219,075,948.29/328,092,254.60 = 126,765,144.14/x
  3. Step 3: Cross multiply
    219,075,948.29x = 328,092,254.60 × 126,765,144.14
  4. Step 4: Simplify right side
    219,075,948.29x = 41,590,661,943,312,296
  5. Step 5: Solve for x
    x = 41,590,661,943,312,296/219,075,948.29
  6. Step 6: Final answer
    x = 189,845,860.61

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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.