Home / 292,213,124-438,309,055.20-87,735,884.80

Finding the Fourth Proportional to 292,213,124, 438,309,055.20 and 87,735,884.80

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Solution

The fourth proportional to 292,213,124, 438,309,055.20 and 87,735,884.80 is: 131,600,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,213,124 : 438,309,055.20 = 87,735,884.80 : x
  2. Step 2: Convert to fraction form
    292,213,124/438,309,055.20 = 87,735,884.80/x
  3. Step 3: Cross multiply
    292,213,124x = 438,309,055.20 × 87,735,884.80
  4. Step 4: Simplify right side
    292,213,124x = 38,455,432,773,824,040
  5. Step 5: Solve for x
    x = 38,455,432,773,824,040/292,213,124
  6. Step 6: Final answer
    x = 131,600,635.34

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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.