Home / 177,143,721.20-265,715,581.80-148,926,172.40

Finding the Fourth Proportional to 177,143,721.20, 265,715,581.80 and 148,926,172.40

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Solution

The fourth proportional to 177,143,721.20, 265,715,581.80 and 148,926,172.40 is: 223,389,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,721.20 : 265,715,581.80 = 148,926,172.40 : x
  2. Step 2: Convert to fraction form
    177,143,721.20/265,715,581.80 = 148,926,172.40/x
  3. Step 3: Cross multiply
    177,143,721.20x = 265,715,581.80 × 148,926,172.40
  4. Step 4: Simplify right side
    177,143,721.20x = 39,572,004,544,513,104
  5. Step 5: Solve for x
    x = 39,572,004,544,513,104/177,143,721.20
  6. Step 6: Final answer
    x = 223,389,258.60

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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.