Home / 186,753,685.60-280,130,528.40-65,585,137.60

Finding the Fourth Proportional to 186,753,685.60, 280,130,528.40 and 65,585,137.60

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Solution

The fourth proportional to 186,753,685.60, 280,130,528.40 and 65,585,137.60 is: 98,377,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,753,685.60 : 280,130,528.40 = 65,585,137.60 : x
  2. Step 2: Convert to fraction form
    186,753,685.60/280,130,528.40 = 65,585,137.60/x
  3. Step 3: Cross multiply
    186,753,685.60x = 280,130,528.40 × 65,585,137.60
  4. Step 4: Simplify right side
    186,753,685.60x = 18,372,399,251,074,708
  5. Step 5: Solve for x
    x = 18,372,399,251,074,708/186,753,685.60
  6. Step 6: Final answer
    x = 98,377,706.40

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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.