Home / 124,426,839.70-186,640,259.55-98,728,714.90

Finding the Fourth Proportional to 124,426,839.70, 186,640,259.55 and 98,728,714.90

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Solution

The fourth proportional to 124,426,839.70, 186,640,259.55 and 98,728,714.90 is: 148,093,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426,839.70 : 186,640,259.55 = 98,728,714.90 : x
  2. Step 2: Convert to fraction form
    124,426,839.70/186,640,259.55 = 98,728,714.90/x
  3. Step 3: Cross multiply
    124,426,839.70x = 186,640,259.55 × 98,728,714.90
  4. Step 4: Simplify right side
    124,426,839.70x = 18,426,752,973,973,956
  5. Step 5: Solve for x
    x = 18,426,752,973,973,956/124,426,839.70
  6. Step 6: Final answer
    x = 148,093,072.35

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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.