Home / 83,042,720.40-124,564,080.60-34,504,442.40

Finding the Fourth Proportional to 83,042,720.40, 124,564,080.60 and 34,504,442.40

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Solution

The fourth proportional to 83,042,720.40, 124,564,080.60 and 34,504,442.40 is: 51,756,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,042,720.40 : 124,564,080.60 = 34,504,442.40 : x
  2. Step 2: Convert to fraction form
    83,042,720.40/124,564,080.60 = 34,504,442.40/x
  3. Step 3: Cross multiply
    83,042,720.40x = 124,564,080.60 × 34,504,442.40
  4. Step 4: Simplify right side
    83,042,720.40x = 4,298,014,144,171,657
  5. Step 5: Solve for x
    x = 4,298,014,144,171,657/83,042,720.40
  6. Step 6: Final answer
    x = 51,756,663.60

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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.