Home / 157,615,706.40-236,423,559.60-142,310,205.60

Finding the Fourth Proportional to 157,615,706.40, 236,423,559.60 and 142,310,205.60

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Solution

The fourth proportional to 157,615,706.40, 236,423,559.60 and 142,310,205.60 is: 213,465,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,615,706.40 : 236,423,559.60 = 142,310,205.60 : x
  2. Step 2: Convert to fraction form
    157,615,706.40/236,423,559.60 = 142,310,205.60/x
  3. Step 3: Cross multiply
    157,615,706.40x = 236,423,559.60 × 142,310,205.60
  4. Step 4: Simplify right side
    157,615,706.40x = 33,645,485,375,359,852
  5. Step 5: Solve for x
    x = 33,645,485,375,359,852/157,615,706.40
  6. Step 6: Final answer
    x = 213,465,308.40

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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.