Home / 209,953,903.70-314,930,855.55-202,301,153.30

Finding the Fourth Proportional to 209,953,903.70, 314,930,855.55 and 202,301,153.30

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Solution

The fourth proportional to 209,953,903.70, 314,930,855.55 and 202,301,153.30 is: 303,451,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,903.70 : 314,930,855.55 = 202,301,153.30 : x
  2. Step 2: Convert to fraction form
    209,953,903.70/314,930,855.55 = 202,301,153.30/x
  3. Step 3: Cross multiply
    209,953,903.70x = 314,930,855.55 × 202,301,153.30
  4. Step 4: Simplify right side
    209,953,903.70x = 63,710,875,287,520,712
  5. Step 5: Solve for x
    x = 63,710,875,287,520,712/209,953,903.70
  6. Step 6: Final answer
    x = 303,451,729.95

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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.