Home / 125,112,514.72-187,700,030.79-88,296,289.57

Finding the Fourth Proportional to 125,112,514.72, 187,700,030.79 and 88,296,289.57

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Solution

The fourth proportional to 125,112,514.72, 187,700,030.79 and 88,296,289.57 is: 132,466,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,112,514.72 : 187,700,030.79 = 88,296,289.57 : x
  2. Step 2: Convert to fraction form
    125,112,514.72/187,700,030.79 = 88,296,289.57/x
  3. Step 3: Cross multiply
    125,112,514.72x = 187,700,030.79 × 88,296,289.57
  4. Step 4: Simplify right side
    125,112,514.72x = 16,573,216,270,931,754
  5. Step 5: Solve for x
    x = 16,573,216,270,931,754/125,112,514.72
  6. Step 6: Final answer
    x = 132,466,494.72

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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.