Home / 104,651,243.60-156,976,865.40-64,340,459.60

Finding the Fourth Proportional to 104,651,243.60, 156,976,865.40 and 64,340,459.60

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Solution

The fourth proportional to 104,651,243.60, 156,976,865.40 and 64,340,459.60 is: 96,510,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651,243.60 : 156,976,865.40 = 64,340,459.60 : x
  2. Step 2: Convert to fraction form
    104,651,243.60/156,976,865.40 = 64,340,459.60/x
  3. Step 3: Cross multiply
    104,651,243.60x = 156,976,865.40 × 64,340,459.60
  4. Step 4: Simplify right side
    104,651,243.60x = 10,099,963,666,403,338
  5. Step 5: Solve for x
    x = 10,099,963,666,403,338/104,651,243.60
  6. Step 6: Final answer
    x = 96,510,689.40

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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.