Home / 90,846,557.10-136,287,550.35-39,031,059.60

Finding the Fourth Proportional to 90,846,557.10, 136,287,550.35 and 39,031,059.60

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Solution

The fourth proportional to 90,846,557.10, 136,287,550.35 and 39,031,059.60 is: 58,554,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846,557.10 : 136,287,550.35 = 39,031,059.60 : x
  2. Step 2: Convert to fraction form
    90,846,557.10/136,287,550.35 = 39,031,059.60/x
  3. Step 3: Cross multiply
    90,846,557.10x = 136,287,550.35 × 39,031,059.60
  4. Step 4: Simplify right side
    90,846,557.10x = 5,319,447,500,448,851
  5. Step 5: Solve for x
    x = 5,319,447,500,448,851/90,846,557.10
  6. Step 6: Final answer
    x = 58,554,200.29

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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.