Home / 96,775,271.60-145,162,907.40-85,437,863.60

Finding the Fourth Proportional to 96,775,271.60, 145,162,907.40 and 85,437,863.60

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Solution

The fourth proportional to 96,775,271.60, 145,162,907.40 and 85,437,863.60 is: 128,156,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,775,271.60 : 145,162,907.40 = 85,437,863.60 : x
  2. Step 2: Convert to fraction form
    96,775,271.60/145,162,907.40 = 85,437,863.60/x
  3. Step 3: Cross multiply
    96,775,271.60x = 145,162,907.40 × 85,437,863.60
  4. Step 4: Simplify right side
    96,775,271.60x = 12,402,408,682,220,630
  5. Step 5: Solve for x
    x = 12,402,408,682,220,630/96,775,271.60
  6. Step 6: Final answer
    x = 128,156,795.40

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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.