Home / 186,509,807.10-279,764,710.65-132,090,248.70

Finding the Fourth Proportional to 186,509,807.10, 279,764,710.65 and 132,090,248.70

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Solution

The fourth proportional to 186,509,807.10, 279,764,710.65 and 132,090,248.70 is: 198,135,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509,807.10 : 279,764,710.65 = 132,090,248.70 : x
  2. Step 2: Convert to fraction form
    186,509,807.10/279,764,710.65 = 132,090,248.70/x
  3. Step 3: Cross multiply
    186,509,807.10x = 279,764,710.65 × 132,090,248.70
  4. Step 4: Simplify right side
    186,509,807.10x = 36,954,190,207,242,040
  5. Step 5: Solve for x
    x = 36,954,190,207,242,040/186,509,807.10
  6. Step 6: Final answer
    x = 198,135,373.05

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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.