Home / 209,757,865.60-314,749,602.24-202,123,008.64

Finding the Fourth Proportional to 209,757,865.60, 314,749,602.24 and 202,123,008.64

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Solution

The fourth proportional to 209,757,865.60, 314,749,602.24 and 202,123,008.64 is: 303,293,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,757,865.60 : 314,749,602.24 = 202,123,008.64 : x
  2. Step 2: Convert to fraction form
    209,757,865.60/314,749,602.24 = 202,123,008.64/x
  3. Step 3: Cross multiply
    209,757,865.60x = 314,749,602.24 × 202,123,008.64
  4. Step 4: Simplify right side
    209,757,865.60x = 63,618,136,572,992,080
  5. Step 5: Solve for x
    x = 63,618,136,572,992,080/209,757,865.60
  6. Step 6: Final answer
    x = 303,293,210.92

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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.