Home / 187,083,901.80-280,625,852.70-118,209,148.20

Finding the Fourth Proportional to 187,083,901.80, 280,625,852.70 and 118,209,148.20

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Solution

The fourth proportional to 187,083,901.80, 280,625,852.70 and 118,209,148.20 is: 177,313,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,083,901.80 : 280,625,852.70 = 118,209,148.20 : x
  2. Step 2: Convert to fraction form
    187,083,901.80/280,625,852.70 = 118,209,148.20/x
  3. Step 3: Cross multiply
    187,083,901.80x = 280,625,852.70 × 118,209,148.20
  4. Step 4: Simplify right side
    187,083,901.80x = 33,172,543,010,565,668
  5. Step 5: Solve for x
    x = 33,172,543,010,565,668/187,083,901.80
  6. Step 6: Final answer
    x = 177,313,722.30

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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.