Home / 229,429,847.80-316,609,188.78-125,008,782.04

Finding the Fourth Proportional to 229,429,847.80, 316,609,188.78 and 125,008,782.04

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Solution

The fourth proportional to 229,429,847.80, 316,609,188.78 and 125,008,782.04 is: 172,509,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,429,847.80 : 316,609,188.78 = 125,008,782.04 : x
  2. Step 2: Convert to fraction form
    229,429,847.80/316,609,188.78 = 125,008,782.04/x
  3. Step 3: Cross multiply
    229,429,847.80x = 316,609,188.78 × 125,008,782.04
  4. Step 4: Simplify right side
    229,429,847.80x = 39,578,929,072,060,232
  5. Step 5: Solve for x
    x = 39,578,929,072,060,232/229,429,847.80
  6. Step 6: Final answer
    x = 172,509,939.10

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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.