Home / 121,276,274.40-181,914,411.60-48,457,047.60

Finding the Fourth Proportional to 121,276,274.40, 181,914,411.60 and 48,457,047.60

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Solution

The fourth proportional to 121,276,274.40, 181,914,411.60 and 48,457,047.60 is: 72,685,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276,274.40 : 181,914,411.60 = 48,457,047.60 : x
  2. Step 2: Convert to fraction form
    121,276,274.40/181,914,411.60 = 48,457,047.60/x
  3. Step 3: Cross multiply
    121,276,274.40x = 181,914,411.60 × 48,457,047.60
  4. Step 4: Simplify right side
    121,276,274.40x = 8,815,035,302,027,192
  5. Step 5: Solve for x
    x = 8,815,035,302,027,192/121,276,274.40
  6. Step 6: Final answer
    x = 72,685,571.40

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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.