Home / 90,898,628.90-136,367,116.05-29,483,017.88

Finding the Fourth Proportional to 90,898,628.90, 136,367,116.05 and 29,483,017.88

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Solution

The fourth proportional to 90,898,628.90, 136,367,116.05 and 29,483,017.88 is: 44,230,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,898,628.90 : 136,367,116.05 = 29,483,017.88 : x
  2. Step 2: Convert to fraction form
    90,898,628.90/136,367,116.05 = 29,483,017.88/x
  3. Step 3: Cross multiply
    90,898,628.90x = 136,367,116.05 × 29,483,017.88
  4. Step 4: Simplify right side
    90,898,628.90x = 4,020,514,120,746,185
  5. Step 5: Solve for x
    x = 4,020,514,120,746,185/90,898,628.90
  6. Step 6: Final answer
    x = 44,230,745.50

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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.