Home / 171,648,252.80-257,273,313.60-69,345,123.20

Finding the Fourth Proportional to 171,648,252.80, 257,273,313.60 and 69,345,123.20

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Solution

The fourth proportional to 171,648,252.80, 257,273,313.60 and 69,345,123.20 is: 103,937,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,252.80 : 257,273,313.60 = 69,345,123.20 : x
  2. Step 2: Convert to fraction form
    171,648,252.80/257,273,313.60 = 69,345,123.20/x
  3. Step 3: Cross multiply
    171,648,252.80x = 257,273,313.60 × 69,345,123.20
  4. Step 4: Simplify right side
    171,648,252.80x = 17,840,649,627,664,236
  5. Step 5: Solve for x
    x = 17,840,649,627,664,236/171,648,252.80
  6. Step 6: Final answer
    x = 103,937,263.19

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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.