Home / 100,794,368.89-139,103,219.99-61,103,572.52

Finding the Fourth Proportional to 100,794,368.89, 139,103,219.99 and 61,103,572.52

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Solution

The fourth proportional to 100,794,368.89, 139,103,219.99 and 61,103,572.52 is: 84,327,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,794,368.89 : 139,103,219.99 = 61,103,572.52 : x
  2. Step 2: Convert to fraction form
    100,794,368.89/139,103,219.99 = 61,103,572.52/x
  3. Step 3: Cross multiply
    100,794,368.89x = 139,103,219.99 × 61,103,572.52
  4. Step 4: Simplify right side
    100,794,368.89x = 8,499,703,690,424,480
  5. Step 5: Solve for x
    x = 8,499,703,690,424,480/100,794,368.89
  6. Step 6: Final answer
    x = 84,327,168.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.