Home / 113,687,411,191.20-156,905,045,928.72-65,506,229,972.64

Finding the Fourth Proportional to 113,687,411,191.20, 156,905,045,928.72 and 65,506,229,972.64

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Solution

The fourth proportional to 113,687,411,191.20, 156,905,045,928.72 and 65,506,229,972.64 is: 90,408,057,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,687,411,191.20 : 156,905,045,928.72 = 65,506,229,972.64 : x
  2. Step 2: Convert to fraction form
    113,687,411,191.20/156,905,045,928.72 = 65,506,229,972.64/x
  3. Step 3: Cross multiply
    113,687,411,191.20x = 156,905,045,928.72 × 65,506,229,972.64
  4. Step 4: Simplify right side
    113,687,411,191.20x = 10,278,258,022,474,374,447,104
  5. Step 5: Solve for x
    x = 10,278,258,022,474,374,447,104/113,687,411,191.20
  6. Step 6: Final answer
    x = 90,408,057,627.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.