Home / 208,920,410.11-288,006,304.75-146,001,161.26

Finding the Fourth Proportional to 208,920,410.11, 288,006,304.75 and 146,001,161.26

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Solution

The fourth proportional to 208,920,410.11, 288,006,304.75 and 146,001,161.26 is: 201,269,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,920,410.11 : 288,006,304.75 = 146,001,161.26 : x
  2. Step 2: Convert to fraction form
    208,920,410.11/288,006,304.75 = 146,001,161.26/x
  3. Step 3: Cross multiply
    208,920,410.11x = 288,006,304.75 × 146,001,161.26
  4. Step 4: Simplify right side
    208,920,410.11x = 42,049,254,943,701,448
  5. Step 5: Solve for x
    x = 42,049,254,943,701,448/208,920,410.11
  6. Step 6: Final answer
    x = 201,269,253.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.