Home / 132,895,210.40-199,380,140.40-64,740,125.60

Finding the Fourth Proportional to 132,895,210.40, 199,380,140.40 and 64,740,125.60

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Solution

The fourth proportional to 132,895,210.40, 199,380,140.40 and 64,740,125.60 is: 97,128,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,895,210.40 : 199,380,140.40 = 64,740,125.60 : x
  2. Step 2: Convert to fraction form
    132,895,210.40/199,380,140.40 = 64,740,125.60/x
  3. Step 3: Cross multiply
    132,895,210.40x = 199,380,140.40 × 64,740,125.60
  4. Step 4: Simplify right side
    132,895,210.40x = 12,907,895,331,641,634
  5. Step 5: Solve for x
    x = 12,907,895,331,641,634/132,895,210.40
  6. Step 6: Final answer
    x = 97,128,371.24

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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.