Home / 73,293,602.60-109,940,403.90-68,758,639.40

Finding the Fourth Proportional to 73,293,602.60, 109,940,403.90 and 68,758,639.40

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Solution

The fourth proportional to 73,293,602.60, 109,940,403.90 and 68,758,639.40 is: 103,137,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,293,602.60 : 109,940,403.90 = 68,758,639.40 : x
  2. Step 2: Convert to fraction form
    73,293,602.60/109,940,403.90 = 68,758,639.40/x
  3. Step 3: Cross multiply
    73,293,602.60x = 109,940,403.90 × 68,758,639.40
  4. Step 4: Simplify right side
    73,293,602.60x = 7,559,352,587,250,455
  5. Step 5: Solve for x
    x = 7,559,352,587,250,455/73,293,602.60
  6. Step 6: Final answer
    x = 103,137,959.10

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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.