Home / 199,302,402.60-298,953,603.90-147,646,337.40

Finding the Fourth Proportional to 199,302,402.60, 298,953,603.90 and 147,646,337.40

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Solution

The fourth proportional to 199,302,402.60, 298,953,603.90 and 147,646,337.40 is: 221,469,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,402.60 : 298,953,603.90 = 147,646,337.40 : x
  2. Step 2: Convert to fraction form
    199,302,402.60/298,953,603.90 = 147,646,337.40/x
  3. Step 3: Cross multiply
    199,302,402.60x = 298,953,603.90 × 147,646,337.40
  4. Step 4: Simplify right side
    199,302,402.60x = 44,139,404,668,365,352
  5. Step 5: Solve for x
    x = 44,139,404,668,365,352/199,302,402.60
  6. Step 6: Final answer
    x = 221,469,506.10

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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.