Home / 129,953,291.40-179,335,699.82-70,414,540.56

Finding the Fourth Proportional to 129,953,291.40, 179,335,699.82 and 70,414,540.56

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Solution

The fourth proportional to 129,953,291.40, 179,335,699.82 and 70,414,540.56 is: 97,172,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,953,291.40 : 179,335,699.82 = 70,414,540.56 : x
  2. Step 2: Convert to fraction form
    129,953,291.40/179,335,699.82 = 70,414,540.56/x
  3. Step 3: Cross multiply
    129,953,291.40x = 179,335,699.82 × 70,414,540.56
  4. Step 4: Simplify right side
    129,953,291.40x = 12,627,840,908,479,302
  5. Step 5: Solve for x
    x = 12,627,840,908,479,302/129,953,291.40
  6. Step 6: Final answer
    x = 97,172,151.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.