Home / 118,459,003.20-177,793,480.80-69,876,110.40

Finding the Fourth Proportional to 118,459,003.20, 177,793,480.80 and 69,876,110.40

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Solution

The fourth proportional to 118,459,003.20, 177,793,480.80 and 69,876,110.40 is: 104,876,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,459,003.20 : 177,793,480.80 = 69,876,110.40 : x
  2. Step 2: Convert to fraction form
    118,459,003.20/177,793,480.80 = 69,876,110.40/x
  3. Step 3: Cross multiply
    118,459,003.20x = 177,793,480.80 × 69,876,110.40
  4. Step 4: Simplify right side
    118,459,003.20x = 12,423,516,892,781,082
  5. Step 5: Solve for x
    x = 12,423,516,892,781,082/118,459,003.20
  6. Step 6: Final answer
    x = 104,876,088.41

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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.