Home / 432,939,116.28-649,343,058.60-117,829,700.32

Finding the Fourth Proportional to 432,939,116.28, 649,343,058.60 and 117,829,700.32

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Solution

The fourth proportional to 432,939,116.28, 649,343,058.60 and 117,829,700.32 is: 176,726,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,939,116.28 : 649,343,058.60 = 117,829,700.32 : x
  2. Step 2: Convert to fraction form
    432,939,116.28/649,343,058.60 = 117,829,700.32/x
  3. Step 3: Cross multiply
    432,939,116.28x = 649,343,058.60 × 117,829,700.32
  4. Step 4: Simplify right side
    432,939,116.28x = 76,511,897,999,710,192
  5. Step 5: Solve for x
    x = 76,511,897,999,710,192/432,939,116.28
  6. Step 6: Final answer
    x = 176,726,692.33

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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.