Home / 108,874,711.20-163,312,066.80-65,876,541.60

Finding the Fourth Proportional to 108,874,711.20, 163,312,066.80 and 65,876,541.60

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Solution

The fourth proportional to 108,874,711.20, 163,312,066.80 and 65,876,541.60 is: 98,814,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,711.20 : 163,312,066.80 = 65,876,541.60 : x
  2. Step 2: Convert to fraction form
    108,874,711.20/163,312,066.80 = 65,876,541.60/x
  3. Step 3: Cross multiply
    108,874,711.20x = 163,312,066.80 × 65,876,541.60
  4. Step 4: Simplify right side
    108,874,711.20x = 10,758,434,162,332,180
  5. Step 5: Solve for x
    x = 10,758,434,162,332,180/108,874,711.20
  6. Step 6: Final answer
    x = 98,814,812.40

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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.