Home / 103,426,360.20-155,139,540.30-101,914,705.80

Finding the Fourth Proportional to 103,426,360.20, 155,139,540.30 and 101,914,705.80

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Solution

The fourth proportional to 103,426,360.20, 155,139,540.30 and 101,914,705.80 is: 152,872,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,426,360.20 : 155,139,540.30 = 101,914,705.80 : x
  2. Step 2: Convert to fraction form
    103,426,360.20/155,139,540.30 = 101,914,705.80/x
  3. Step 3: Cross multiply
    103,426,360.20x = 155,139,540.30 × 101,914,705.80
  4. Step 4: Simplify right side
    103,426,360.20x = 15,811,000,607,621,744
  5. Step 5: Solve for x
    x = 15,811,000,607,621,744/103,426,360.20
  6. Step 6: Final answer
    x = 152,872,058.70

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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.