Home / 209,960,941.80-314,941,412.70-185,018,644.20

Finding the Fourth Proportional to 209,960,941.80, 314,941,412.70 and 185,018,644.20

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Solution

The fourth proportional to 209,960,941.80, 314,941,412.70 and 185,018,644.20 is: 277,527,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,941.80 : 314,941,412.70 = 185,018,644.20 : x
  2. Step 2: Convert to fraction form
    209,960,941.80/314,941,412.70 = 185,018,644.20/x
  3. Step 3: Cross multiply
    209,960,941.80x = 314,941,412.70 × 185,018,644.20
  4. Step 4: Simplify right side
    209,960,941.80x = 58,270,033,180,186,656
  5. Step 5: Solve for x
    x = 58,270,033,180,186,656/209,960,941.80
  6. Step 6: Final answer
    x = 277,527,966.30

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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.