Home / 72,430,244.65-108,645,366.98-55,424,132.65

Finding the Fourth Proportional to 72,430,244.65, 108,645,366.98 and 55,424,132.65

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Solution

The fourth proportional to 72,430,244.65, 108,645,366.98 and 55,424,132.65 is: 83,136,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430,244.65 : 108,645,366.98 = 55,424,132.65 : x
  2. Step 2: Convert to fraction form
    72,430,244.65/108,645,366.98 = 55,424,132.65/x
  3. Step 3: Cross multiply
    72,430,244.65x = 108,645,366.98 × 55,424,132.65
  4. Step 4: Simplify right side
    72,430,244.65x = 6,021,575,231,030,329
  5. Step 5: Solve for x
    x = 6,021,575,231,030,329/72,430,244.65
  6. Step 6: Final answer
    x = 83,136,198.98

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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.