Home / 186,696,019.80-280,044,029.70-100,602,577.80

Finding the Fourth Proportional to 186,696,019.80, 280,044,029.70 and 100,602,577.80

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Solution

The fourth proportional to 186,696,019.80, 280,044,029.70 and 100,602,577.80 is: 150,903,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,696,019.80 : 280,044,029.70 = 100,602,577.80 : x
  2. Step 2: Convert to fraction form
    186,696,019.80/280,044,029.70 = 100,602,577.80/x
  3. Step 3: Cross multiply
    186,696,019.80x = 280,044,029.70 × 100,602,577.80
  4. Step 4: Simplify right side
    186,696,019.80x = 28,173,151,285,319,760
  5. Step 5: Solve for x
    x = 28,173,151,285,319,760/186,696,019.80
  6. Step 6: Final answer
    x = 150,903,866.70

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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.