Home / 118,305,827.80-177,160,143.30-77,696,445.40

Finding the Fourth Proportional to 118,305,827.80, 177,160,143.30 and 77,696,445.40

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Solution

The fourth proportional to 118,305,827.80, 177,160,143.30 and 77,696,445.40 is: 116,348,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305,827.80 : 177,160,143.30 = 77,696,445.40 : x
  2. Step 2: Convert to fraction form
    118,305,827.80/177,160,143.30 = 77,696,445.40/x
  3. Step 3: Cross multiply
    118,305,827.80x = 177,160,143.30 × 77,696,445.40
  4. Step 4: Simplify right side
    118,305,827.80x = 13,764,713,400,964,628
  5. Step 5: Solve for x
    x = 13,764,713,400,964,628/118,305,827.80
  6. Step 6: Final answer
    x = 116,348,565.89

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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.