Home / 141,070,132.68-194,705,423.64-81,533,957.80

Finding the Fourth Proportional to 141,070,132.68, 194,705,423.64 and 81,533,957.80

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Solution

The fourth proportional to 141,070,132.68, 194,705,423.64 and 81,533,957.80 is: 112,533,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,070,132.68 : 194,705,423.64 = 81,533,957.80 : x
  2. Step 2: Convert to fraction form
    141,070,132.68/194,705,423.64 = 81,533,957.80/x
  3. Step 3: Cross multiply
    141,070,132.68x = 194,705,423.64 × 81,533,957.80
  4. Step 4: Simplify right side
    141,070,132.68x = 15,875,103,794,494,880
  5. Step 5: Solve for x
    x = 15,875,103,794,494,880/141,070,132.68
  6. Step 6: Final answer
    x = 112,533,415.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.