Home / 126,072,944.07-173,983,320-71,068,800.57

Finding the Fourth Proportional to 126,072,944.07, 173,983,320 and 71,068,800.57

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Solution

The fourth proportional to 126,072,944.07, 173,983,320 and 71,068,800.57 is: 98,076,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,072,944.07 : 173,983,320 = 71,068,800.57 : x
  2. Step 2: Convert to fraction form
    126,072,944.07/173,983,320 = 71,068,800.57/x
  3. Step 3: Cross multiply
    126,072,944.07x = 173,983,320 × 71,068,800.57
  4. Step 4: Simplify right side
    126,072,944.07x = 12,364,785,871,586,492
  5. Step 5: Solve for x
    x = 12,364,785,871,586,492/126,072,944.07
  6. Step 6: Final answer
    x = 98,076,442.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.