Home / 228,364,571.16-315,143,420.04-123,942,643.92

Finding the Fourth Proportional to 228,364,571.16, 315,143,420.04 and 123,942,643.92

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Solution

The fourth proportional to 228,364,571.16, 315,143,420.04 and 123,942,643.92 is: 171,041,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,571.16 : 315,143,420.04 = 123,942,643.92 : x
  2. Step 2: Convert to fraction form
    228,364,571.16/315,143,420.04 = 123,942,643.92/x
  3. Step 3: Cross multiply
    228,364,571.16x = 315,143,420.04 × 123,942,643.92
  4. Step 4: Simplify right side
    228,364,571.16x = 39,059,708,693,748,712
  5. Step 5: Solve for x
    x = 39,059,708,693,748,712/228,364,571.16
  6. Step 6: Final answer
    x = 171,041,017.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.