Home / 432,939,111.27-649,343,051.11-117,829,695.31

Finding the Fourth Proportional to 432,939,111.27, 649,343,051.11 and 117,829,695.31

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Solution

The fourth proportional to 432,939,111.27, 649,343,051.11 and 117,829,695.31 is: 176,726,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,939,111.27 : 649,343,051.11 = 117,829,695.31 : x
  2. Step 2: Convert to fraction form
    432,939,111.27/649,343,051.11 = 117,829,695.31/x
  3. Step 3: Cross multiply
    432,939,111.27x = 649,343,051.11 × 117,829,695.31
  4. Step 4: Simplify right side
    432,939,111.27x = 76,511,893,866,130,288
  5. Step 5: Solve for x
    x = 76,511,893,866,130,288/432,939,111.27
  6. Step 6: Final answer
    x = 176,726,684.82

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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.