Home / 55,334,429.40-83,001,644.10-19,432,637.40

Finding the Fourth Proportional to 55,334,429.40, 83,001,644.10 and 19,432,637.40

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Solution

The fourth proportional to 55,334,429.40, 83,001,644.10 and 19,432,637.40 is: 29,148,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,429.40 : 83,001,644.10 = 19,432,637.40 : x
  2. Step 2: Convert to fraction form
    55,334,429.40/83,001,644.10 = 19,432,637.40/x
  3. Step 3: Cross multiply
    55,334,429.40x = 83,001,644.10 × 19,432,637.40
  4. Step 4: Simplify right side
    55,334,429.40x = 1,612,940,853,399,149
  5. Step 5: Solve for x
    x = 1,612,940,853,399,149/55,334,429.40
  6. Step 6: Final answer
    x = 29,148,956.10

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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.