Home / 188,663,368.80-282,995,053.20-130,550,295.45

Finding the Fourth Proportional to 188,663,368.80, 282,995,053.20 and 130,550,295.45

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Solution

The fourth proportional to 188,663,368.80, 282,995,053.20 and 130,550,295.45 is: 195,825,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,663,368.80 : 282,995,053.20 = 130,550,295.45 : x
  2. Step 2: Convert to fraction form
    188,663,368.80/282,995,053.20 = 130,550,295.45/x
  3. Step 3: Cross multiply
    188,663,368.80x = 282,995,053.20 × 130,550,295.45
  4. Step 4: Simplify right side
    188,663,368.80x = 36,945,087,806,148,464
  5. Step 5: Solve for x
    x = 36,945,087,806,148,464/188,663,368.80
  6. Step 6: Final answer
    x = 195,825,443.18

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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.