Home / 72,294,657.39-99,600,136.38-49,946,234.13

Finding the Fourth Proportional to 72,294,657.39, 99,600,136.38 and 49,946,234.13

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Solution

The fourth proportional to 72,294,657.39, 99,600,136.38 and 49,946,234.13 is: 68,810,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,294,657.39 : 99,600,136.38 = 49,946,234.13 : x
  2. Step 2: Convert to fraction form
    72,294,657.39/99,600,136.38 = 49,946,234.13/x
  3. Step 3: Cross multiply
    72,294,657.39x = 99,600,136.38 × 49,946,234.13
  4. Step 4: Simplify right side
    72,294,657.39x = 4,974,651,731,015,411
  5. Step 5: Solve for x
    x = 4,974,651,731,015,411/72,294,657.39
  6. Step 6: Final answer
    x = 68,810,779.53

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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.