Home / 260,138,500.70-390,051,913.73-82,799,042.00

Finding the Fourth Proportional to 260,138,500.70, 390,051,913.73 and 82,799,042.00

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Solution

The fourth proportional to 260,138,500.70, 390,051,913.73 and 82,799,042.00 is: 124,148,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,138,500.70 : 390,051,913.73 = 82,799,042.00 : x
  2. Step 2: Convert to fraction form
    260,138,500.70/390,051,913.73 = 82,799,042.00/x
  3. Step 3: Cross multiply
    260,138,500.70x = 390,051,913.73 × 82,799,042.00
  4. Step 4: Simplify right side
    260,138,500.70x = 32,295,924,784,746,396
  5. Step 5: Solve for x
    x = 32,295,924,784,746,396/260,138,500.70
  6. Step 6: Final answer
    x = 124,148,961.80

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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.