Home / 103,552,019.40-155,328,029.10-101,536,480.20

Finding the Fourth Proportional to 103,552,019.40, 155,328,029.10 and 101,536,480.20

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Solution

The fourth proportional to 103,552,019.40, 155,328,029.10 and 101,536,480.20 is: 152,304,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552,019.40 : 155,328,029.10 = 101,536,480.20 : x
  2. Step 2: Convert to fraction form
    103,552,019.40/155,328,029.10 = 101,536,480.20/x
  3. Step 3: Cross multiply
    103,552,019.40x = 155,328,029.10 × 101,536,480.20
  4. Step 4: Simplify right side
    103,552,019.40x = 15,771,461,351,217,174
  5. Step 5: Solve for x
    x = 15,771,461,351,217,174/103,552,019.40
  6. Step 6: Final answer
    x = 152,304,720.30

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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.