Home / 82,829,274.60-124,243,911.90-82,325,389.80

Finding the Fourth Proportional to 82,829,274.60, 124,243,911.90 and 82,325,389.80

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Solution

The fourth proportional to 82,829,274.60, 124,243,911.90 and 82,325,389.80 is: 123,488,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829,274.60 : 124,243,911.90 = 82,325,389.80 : x
  2. Step 2: Convert to fraction form
    82,829,274.60/124,243,911.90 = 82,325,389.80/x
  3. Step 3: Cross multiply
    82,829,274.60x = 124,243,911.90 × 82,325,389.80
  4. Step 4: Simplify right side
    82,829,274.60x = 10,228,428,477,444,358
  5. Step 5: Solve for x
    x = 10,228,428,477,444,358/82,829,274.60
  6. Step 6: Final answer
    x = 123,488,084.70

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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.