Home / 92,400,804.80-138,601,207.20-47,051,172.80

Finding the Fourth Proportional to 92,400,804.80, 138,601,207.20 and 47,051,172.80

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Solution

The fourth proportional to 92,400,804.80, 138,601,207.20 and 47,051,172.80 is: 70,576,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400,804.80 : 138,601,207.20 = 47,051,172.80 : x
  2. Step 2: Convert to fraction form
    92,400,804.80/138,601,207.20 = 47,051,172.80/x
  3. Step 3: Cross multiply
    92,400,804.80x = 138,601,207.20 × 47,051,172.80
  4. Step 4: Simplify right side
    92,400,804.80x = 6,521,349,350,255,803
  5. Step 5: Solve for x
    x = 6,521,349,350,255,803/92,400,804.80
  6. Step 6: Final answer
    x = 70,576,759.20

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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.