Home / 186,789,920.40-280,184,880.60-100,696,478.40

Finding the Fourth Proportional to 186,789,920.40, 280,184,880.60 and 100,696,478.40

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Solution

The fourth proportional to 186,789,920.40, 280,184,880.60 and 100,696,478.40 is: 151,044,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,920.40 : 280,184,880.60 = 100,696,478.40 : x
  2. Step 2: Convert to fraction form
    186,789,920.40/280,184,880.60 = 100,696,478.40/x
  3. Step 3: Cross multiply
    186,789,920.40x = 280,184,880.60 × 100,696,478.40
  4. Step 4: Simplify right side
    186,789,920.40x = 28,213,630,777,344,484
  5. Step 5: Solve for x
    x = 28,213,630,777,344,484/186,789,920.40
  6. Step 6: Final answer
    x = 151,044,717.60

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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.