Home / 297,020,315.40-445,689,905.40-124,514,566.80

Finding the Fourth Proportional to 297,020,315.40, 445,689,905.40 and 124,514,566.80

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Solution

The fourth proportional to 297,020,315.40, 445,689,905.40 and 124,514,566.80 is: 186,838,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,020,315.40 : 445,689,905.40 = 124,514,566.80 : x
  2. Step 2: Convert to fraction form
    297,020,315.40/445,689,905.40 = 124,514,566.80/x
  3. Step 3: Cross multiply
    297,020,315.40x = 445,689,905.40 × 124,514,566.80
  4. Step 4: Simplify right side
    297,020,315.40x = 55,494,885,498,013,976
  5. Step 5: Solve for x
    x = 55,494,885,498,013,976/297,020,315.40
  6. Step 6: Final answer
    x = 186,838,686.18

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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.