Home / 145,163,879.40-217,745,819.10-96,790,938.60

Finding the Fourth Proportional to 145,163,879.40, 217,745,819.10 and 96,790,938.60

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Solution

The fourth proportional to 145,163,879.40, 217,745,819.10 and 96,790,938.60 is: 145,186,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,879.40 : 217,745,819.10 = 96,790,938.60 : x
  2. Step 2: Convert to fraction form
    145,163,879.40/217,745,819.10 = 96,790,938.60/x
  3. Step 3: Cross multiply
    145,163,879.40x = 217,745,819.10 × 96,790,938.60
  4. Step 4: Simplify right side
    145,163,879.40x = 21,075,822,206,914,804
  5. Step 5: Solve for x
    x = 21,075,822,206,914,804/145,163,879.40
  6. Step 6: Final answer
    x = 145,186,407.90

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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.