Home / 110,304,312.80-165,456,469.20-73,316,019.20

Finding the Fourth Proportional to 110,304,312.80, 165,456,469.20 and 73,316,019.20

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Solution

The fourth proportional to 110,304,312.80, 165,456,469.20 and 73,316,019.20 is: 109,974,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,304,312.80 : 165,456,469.20 = 73,316,019.20 : x
  2. Step 2: Convert to fraction form
    110,304,312.80/165,456,469.20 = 73,316,019.20/x
  3. Step 3: Cross multiply
    110,304,312.80x = 165,456,469.20 × 73,316,019.20
  4. Step 4: Simplify right side
    110,304,312.80x = 12,130,609,672,631,408
  5. Step 5: Solve for x
    x = 12,130,609,672,631,408/110,304,312.80
  6. Step 6: Final answer
    x = 109,974,028.80

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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.