Home / 432,602,788.80-648,904,191.41-105,076,095.08

Finding the Fourth Proportional to 432,602,788.80, 648,904,191.41 and 105,076,095.08

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Solution

The fourth proportional to 432,602,788.80, 648,904,191.41 and 105,076,095.08 is: 157,614,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,602,788.80 : 648,904,191.41 = 105,076,095.08 : x
  2. Step 2: Convert to fraction form
    432,602,788.80/648,904,191.41 = 105,076,095.08/x
  3. Step 3: Cross multiply
    432,602,788.80x = 648,904,191.41 × 105,076,095.08
  4. Step 4: Simplify right side
    432,602,788.80x = 68,184,318,510,637,776
  5. Step 5: Solve for x
    x = 68,184,318,510,637,776/432,602,788.80
  6. Step 6: Final answer
    x = 157,614,144.61

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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.