Home / 163,530,965.34-245,296,448.28-66,463,931.16

Finding the Fourth Proportional to 163,530,965.34, 245,296,448.28 and 66,463,931.16

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Solution

The fourth proportional to 163,530,965.34, 245,296,448.28 and 66,463,931.16 is: 99,695,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,965.34 : 245,296,448.28 = 66,463,931.16 : x
  2. Step 2: Convert to fraction form
    163,530,965.34/245,296,448.28 = 66,463,931.16/x
  3. Step 3: Cross multiply
    163,530,965.34x = 245,296,448.28 × 66,463,931.16
  4. Step 4: Simplify right side
    163,530,965.34x = 16,303,366,252,274,420
  5. Step 5: Solve for x
    x = 16,303,366,252,274,420/163,530,965.34
  6. Step 6: Final answer
    x = 99,695,896.85

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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.