Home / 118,200,818.40-177,151,928.40-57,485,810.40

Finding the Fourth Proportional to 118,200,818.40, 177,151,928.40 and 57,485,810.40

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Solution

The fourth proportional to 118,200,818.40, 177,151,928.40 and 57,485,810.40 is: 86,156,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,200,818.40 : 177,151,928.40 = 57,485,810.40 : x
  2. Step 2: Convert to fraction form
    118,200,818.40/177,151,928.40 = 57,485,810.40/x
  3. Step 3: Cross multiply
    118,200,818.40x = 177,151,928.40 × 57,485,810.40
  4. Step 4: Simplify right side
    118,200,818.40x = 10,183,722,167,996,776
  5. Step 5: Solve for x
    x = 10,183,722,167,996,776/118,200,818.40
  6. Step 6: Final answer
    x = 86,156,105.40

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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.