Home / 115,893,864,885.60-173,840,797,328.40-99,363,924,021.60

Finding the Fourth Proportional to 115,893,864,885.60, 173,840,797,328.40 and 99,363,924,021.60

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Solution

The fourth proportional to 115,893,864,885.60, 173,840,797,328.40 and 99,363,924,021.60 is: 149,045,886,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,864,885.60 : 173,840,797,328.40 = 99,363,924,021.60 : x
  2. Step 2: Convert to fraction form
    115,893,864,885.60/173,840,797,328.40 = 99,363,924,021.60/x
  3. Step 3: Cross multiply
    115,893,864,885.60x = 173,840,797,328.40 × 99,363,924,021.60
  4. Step 4: Simplify right side
    115,893,864,885.60x = 17,273,503,777,593,501,941,760
  5. Step 5: Solve for x
    x = 17,273,503,777,593,501,941,760/115,893,864,885.60
  6. Step 6: Final answer
    x = 149,045,886,032.40

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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.