Home / 177,947,007.10-266,920,510.65-139,726,411.90

Finding the Fourth Proportional to 177,947,007.10, 266,920,510.65 and 139,726,411.90

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Solution

The fourth proportional to 177,947,007.10, 266,920,510.65 and 139,726,411.90 is: 209,589,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,947,007.10 : 266,920,510.65 = 139,726,411.90 : x
  2. Step 2: Convert to fraction form
    177,947,007.10/266,920,510.65 = 139,726,411.90/x
  3. Step 3: Cross multiply
    177,947,007.10x = 266,920,510.65 × 139,726,411.90
  4. Step 4: Simplify right side
    177,947,007.10x = 37,295,845,215,640,240
  5. Step 5: Solve for x
    x = 37,295,845,215,640,240/177,947,007.10
  6. Step 6: Final answer
    x = 209,589,617.85

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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.