Home / 82,934,138.20-124,401,207.30-52,775,699.80

Finding the Fourth Proportional to 82,934,138.20, 124,401,207.30 and 52,775,699.80

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Solution

The fourth proportional to 82,934,138.20, 124,401,207.30 and 52,775,699.80 is: 79,163,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934,138.20 : 124,401,207.30 = 52,775,699.80 : x
  2. Step 2: Convert to fraction form
    82,934,138.20/124,401,207.30 = 52,775,699.80/x
  3. Step 3: Cross multiply
    82,934,138.20x = 124,401,207.30 × 52,775,699.80
  4. Step 4: Simplify right side
    82,934,138.20x = 6,565,360,771,222,368
  5. Step 5: Solve for x
    x = 6,565,360,771,222,368/82,934,138.20
  6. Step 6: Final answer
    x = 79,163,549.70

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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.