Home / 105,224,274.32-156,726,852.01-100,503,086.45

Finding the Fourth Proportional to 105,224,274.32, 156,726,852.01 and 100,503,086.45

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Solution

The fourth proportional to 105,224,274.32, 156,726,852.01 and 100,503,086.45 is: 149,694,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,224,274.32 : 156,726,852.01 = 100,503,086.45 : x
  2. Step 2: Convert to fraction form
    105,224,274.32/156,726,852.01 = 100,503,086.45/x
  3. Step 3: Cross multiply
    105,224,274.32x = 156,726,852.01 × 100,503,086.45
  4. Step 4: Simplify right side
    105,224,274.32x = 15,751,532,355,562,492
  5. Step 5: Solve for x
    x = 15,751,532,355,562,492/105,224,274.32
  6. Step 6: Final answer
    x = 149,694,853.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.