Home / 72,597,869.87-100,071,615.29-49,352,640.53

Finding the Fourth Proportional to 72,597,869.87, 100,071,615.29 and 49,352,640.53

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Solution

The fourth proportional to 72,597,869.87, 100,071,615.29 and 49,352,640.53 is: 68,029,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,597,869.87 : 100,071,615.29 = 49,352,640.53 : x
  2. Step 2: Convert to fraction form
    72,597,869.87/100,071,615.29 = 49,352,640.53/x
  3. Step 3: Cross multiply
    72,597,869.87x = 100,071,615.29 × 49,352,640.53
  4. Step 4: Simplify right side
    72,597,869.87x = 4,938,798,455,916,700
  5. Step 5: Solve for x
    x = 4,938,798,455,916,700/72,597,869.87
  6. Step 6: Final answer
    x = 68,029,522.97

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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.