Home / 171,648,276.80-257,273,349.60-69,345,147.20

Finding the Fourth Proportional to 171,648,276.80, 257,273,349.60 and 69,345,147.20

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Solution

The fourth proportional to 171,648,276.80, 257,273,349.60 and 69,345,147.20 is: 103,937,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,276.80 : 257,273,349.60 = 69,345,147.20 : x
  2. Step 2: Convert to fraction form
    171,648,276.80/257,273,349.60 = 69,345,147.20/x
  3. Step 3: Cross multiply
    171,648,276.80x = 257,273,349.60 × 69,345,147.20
  4. Step 4: Simplify right side
    171,648,276.80x = 17,840,658,298,649,062
  5. Step 5: Solve for x
    x = 17,840,658,298,649,062/171,648,276.80
  6. Step 6: Final answer
    x = 103,937,299.18

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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.