Home / 209,953,820.70-314,930,731.05-202,301,070.30

Finding the Fourth Proportional to 209,953,820.70, 314,930,731.05 and 202,301,070.30

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Solution

The fourth proportional to 209,953,820.70, 314,930,731.05 and 202,301,070.30 is: 303,451,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,820.70 : 314,930,731.05 = 202,301,070.30 : x
  2. Step 2: Convert to fraction form
    209,953,820.70/314,930,731.05 = 202,301,070.30/x
  3. Step 3: Cross multiply
    209,953,820.70x = 314,930,731.05 × 202,301,070.30
  4. Step 4: Simplify right side
    209,953,820.70x = 63,710,823,961,776,448
  5. Step 5: Solve for x
    x = 63,710,823,961,776,448/209,953,820.70
  6. Step 6: Final answer
    x = 303,451,605.45

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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.