Home / 432,650,862.98-648,977,106.39-105,126,653.32

Finding the Fourth Proportional to 432,650,862.98, 648,977,106.39 and 105,126,653.32

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Solution

The fourth proportional to 432,650,862.98, 648,977,106.39 and 105,126,653.32 is: 157,690,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,650,862.98 : 648,977,106.39 = 105,126,653.32 : x
  2. Step 2: Convert to fraction form
    432,650,862.98/648,977,106.39 = 105,126,653.32/x
  3. Step 3: Cross multiply
    432,650,862.98x = 648,977,106.39 × 105,126,653.32
  4. Step 4: Simplify right side
    432,650,862.98x = 68,224,791,274,653,480
  5. Step 5: Solve for x
    x = 68,224,791,274,653,480/432,650,862.98
  6. Step 6: Final answer
    x = 157,690,177.26

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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.