Home / 432,602,787.80-648,904,189.90-105,076,094.07

Finding the Fourth Proportional to 432,602,787.80, 648,904,189.90 and 105,076,094.07

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Solution

The fourth proportional to 432,602,787.80, 648,904,189.90 and 105,076,094.07 is: 157,614,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,602,787.80 : 648,904,189.90 = 105,076,094.07 : x
  2. Step 2: Convert to fraction form
    432,602,787.80/648,904,189.90 = 105,076,094.07/x
  3. Step 3: Cross multiply
    432,602,787.80x = 648,904,189.90 × 105,076,094.07
  4. Step 4: Simplify right side
    432,602,787.80x = 68,184,317,700,349,536
  5. Step 5: Solve for x
    x = 68,184,317,700,349,536/432,602,787.80
  6. Step 6: Final answer
    x = 157,614,143.10

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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.