Home / 186,790,015.40-280,185,023.10-100,696,573.40

Finding the Fourth Proportional to 186,790,015.40, 280,185,023.10 and 100,696,573.40

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Solution

The fourth proportional to 186,790,015.40, 280,185,023.10 and 100,696,573.40 is: 151,044,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,790,015.40 : 280,185,023.10 = 100,696,573.40 : x
  2. Step 2: Convert to fraction form
    186,790,015.40/280,185,023.10 = 100,696,573.40/x
  3. Step 3: Cross multiply
    186,790,015.40x = 280,185,023.10 × 100,696,573.40
  4. Step 4: Simplify right side
    186,790,015.40x = 28,213,671,744,169,848
  5. Step 5: Solve for x
    x = 28,213,671,744,169,848/186,790,015.40
  6. Step 6: Final answer
    x = 151,044,860.10

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1.5x scale

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.