Home / 208,920,409.11-288,006,303.38-146,001,160.26

Finding the Fourth Proportional to 208,920,409.11, 288,006,303.38 and 146,001,160.26

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Solution

The fourth proportional to 208,920,409.11, 288,006,303.38 and 146,001,160.26 is: 201,269,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,920,409.11 : 288,006,303.38 = 146,001,160.26 : x
  2. Step 2: Convert to fraction form
    208,920,409.11/288,006,303.38 = 146,001,160.26/x
  3. Step 3: Cross multiply
    208,920,409.11x = 288,006,303.38 × 146,001,160.26
  4. Step 4: Simplify right side
    208,920,409.11x = 42,049,254,454,943,552
  5. Step 5: Solve for x
    x = 42,049,254,454,943,552/208,920,409.11
  6. Step 6: Final answer
    x = 201,269,251.93

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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.