Home / 117,488,129.38-162,137,994.18-70,452,860.66

Finding the Fourth Proportional to 117,488,129.38, 162,137,994.18 and 70,452,860.66

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Solution

The fourth proportional to 117,488,129.38, 162,137,994.18 and 70,452,860.66 is: 97,227,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488,129.38 : 162,137,994.18 = 70,452,860.66 : x
  2. Step 2: Convert to fraction form
    117,488,129.38/162,137,994.18 = 70,452,860.66/x
  3. Step 3: Cross multiply
    117,488,129.38x = 162,137,994.18 × 70,452,860.66
  4. Step 4: Simplify right side
    117,488,129.38x = 11,423,085,511,655,430
  5. Step 5: Solve for x
    x = 11,423,085,511,655,430/117,488,129.38
  6. Step 6: Final answer
    x = 97,227,571.60

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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.