Home / 103,520,263.90-155,280,395.85-31,707,348.70

Finding the Fourth Proportional to 103,520,263.90, 155,280,395.85 and 31,707,348.70

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Solution

The fourth proportional to 103,520,263.90, 155,280,395.85 and 31,707,348.70 is: 47,561,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,263.90 : 155,280,395.85 = 31,707,348.70 : x
  2. Step 2: Convert to fraction form
    103,520,263.90/155,280,395.85 = 31,707,348.70/x
  3. Step 3: Cross multiply
    103,520,263.90x = 155,280,395.85 × 31,707,348.70
  4. Step 4: Simplify right side
    103,520,263.90x = 4,923,529,657,489,983
  5. Step 5: Solve for x
    x = 4,923,529,657,489,983/103,520,263.90
  6. Step 6: Final answer
    x = 47,561,023.05

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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.