Home / 103,440,038.72-155,160,834.24-45,916,845.44

Finding the Fourth Proportional to 103,440,038.72, 155,160,834.24 and 45,916,845.44

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Solution

The fourth proportional to 103,440,038.72, 155,160,834.24 and 45,916,845.44 is: 68,875,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,440,038.72 : 155,160,834.24 = 45,916,845.44 : x
  2. Step 2: Convert to fraction form
    103,440,038.72/155,160,834.24 = 45,916,845.44/x
  3. Step 3: Cross multiply
    103,440,038.72x = 155,160,834.24 × 45,916,845.44
  4. Step 4: Simplify right side
    103,440,038.72x = 7,124,496,044,139,540
  5. Step 5: Solve for x
    x = 7,124,496,044,139,540/103,440,038.72
  6. Step 6: Final answer
    x = 68,875,612.70

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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.