Home / 209,808,001.80-314,712,002.70-205,776,923.40

Finding the Fourth Proportional to 209,808,001.80, 314,712,002.70 and 205,776,923.40

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Solution

The fourth proportional to 209,808,001.80, 314,712,002.70 and 205,776,923.40 is: 308,665,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,808,001.80 : 314,712,002.70 = 205,776,923.40 : x
  2. Step 2: Convert to fraction form
    209,808,001.80/314,712,002.70 = 205,776,923.40/x
  3. Step 3: Cross multiply
    209,808,001.80x = 314,712,002.70 × 205,776,923.40
  4. Step 4: Simplify right side
    209,808,001.80x = 64,760,467,672,658,496
  5. Step 5: Solve for x
    x = 64,760,467,672,658,496/209,808,001.80
  6. Step 6: Final answer
    x = 308,665,385.10

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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.