Home / 432,602,788.30-648,904,190.66-105,076,094.58

Finding the Fourth Proportional to 432,602,788.30, 648,904,190.66 and 105,076,094.58

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Solution

The fourth proportional to 432,602,788.30, 648,904,190.66 and 105,076,094.58 is: 157,614,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,602,788.30 : 648,904,190.66 = 105,076,094.58 : x
  2. Step 2: Convert to fraction form
    432,602,788.30/648,904,190.66 = 105,076,094.58/x
  3. Step 3: Cross multiply
    432,602,788.30x = 648,904,190.66 × 105,076,094.58
  4. Step 4: Simplify right side
    432,602,788.30x = 68,184,318,111,148,504
  5. Step 5: Solve for x
    x = 68,184,318,111,148,504/432,602,788.30
  6. Step 6: Final answer
    x = 157,614,143.86

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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.