Home / 76,673,438.02-105,808,922.40-41,865,880.78

Finding the Fourth Proportional to 76,673,438.02, 105,808,922.40 and 41,865,880.78

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Solution

The fourth proportional to 76,673,438.02, 105,808,922.40 and 41,865,880.78 is: 57,774,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,673,438.02 : 105,808,922.40 = 41,865,880.78 : x
  2. Step 2: Convert to fraction form
    76,673,438.02/105,808,922.40 = 41,865,880.78/x
  3. Step 3: Cross multiply
    76,673,438.02x = 105,808,922.40 × 41,865,880.78
  4. Step 4: Simplify right side
    76,673,438.02x = 4,429,783,730,658,672
  5. Step 5: Solve for x
    x = 4,429,783,730,658,672/76,673,438.02
  6. Step 6: Final answer
    x = 57,774,685.02

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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.