Home / 115,406,024.84-172,958,309.22-88,012,012.76

Finding the Fourth Proportional to 115,406,024.84, 172,958,309.22 and 88,012,012.76

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Solution

The fourth proportional to 115,406,024.84, 172,958,309.22 and 88,012,012.76 is: 131,903,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,406,024.84 : 172,958,309.22 = 88,012,012.76 : x
  2. Step 2: Convert to fraction form
    115,406,024.84/172,958,309.22 = 88,012,012.76/x
  3. Step 3: Cross multiply
    115,406,024.84x = 172,958,309.22 × 88,012,012.76
  4. Step 4: Simplify right side
    115,406,024.84x = 15,222,408,918,018,666
  5. Step 5: Solve for x
    x = 15,222,408,918,018,666/115,406,024.84
  6. Step 6: Final answer
    x = 131,903,069.52

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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.