Home / 186,790,005.40-280,185,008.10-100,696,563.40

Finding the Fourth Proportional to 186,790,005.40, 280,185,008.10 and 100,696,563.40

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Solution

The fourth proportional to 186,790,005.40, 280,185,008.10 and 100,696,563.40 is: 151,044,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,790,005.40 : 280,185,008.10 = 100,696,563.40 : x
  2. Step 2: Convert to fraction form
    186,790,005.40/280,185,008.10 = 100,696,563.40/x
  3. Step 3: Cross multiply
    186,790,005.40x = 280,185,008.10 × 100,696,563.40
  4. Step 4: Simplify right side
    186,790,005.40x = 28,213,667,431,871,168
  5. Step 5: Solve for x
    x = 28,213,667,431,871,168/186,790,005.40
  6. Step 6: Final answer
    x = 151,044,845.10

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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.