Home / 229,516,163.18-316,743,510.22-129,076,205.30

Finding the Fourth Proportional to 229,516,163.18, 316,743,510.22 and 129,076,205.30

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Solution

The fourth proportional to 229,516,163.18, 316,743,510.22 and 129,076,205.30 is: 178,131,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,516,163.18 : 316,743,510.22 = 129,076,205.30 : x
  2. Step 2: Convert to fraction form
    229,516,163.18/316,743,510.22 = 129,076,205.30/x
  3. Step 3: Cross multiply
    229,516,163.18x = 316,743,510.22 × 129,076,205.30
  4. Step 4: Simplify right side
    229,516,163.18x = 40,884,050,352,599,368
  5. Step 5: Solve for x
    x = 40,884,050,352,599,368/229,516,163.18
  6. Step 6: Final answer
    x = 178,131,464.84

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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.