Home / 98,015,890.80-147,023,836.20-65,767,263.60

Finding the Fourth Proportional to 98,015,890.80, 147,023,836.20 and 65,767,263.60

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Solution

The fourth proportional to 98,015,890.80, 147,023,836.20 and 65,767,263.60 is: 98,650,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,015,890.80 : 147,023,836.20 = 65,767,263.60 : x
  2. Step 2: Convert to fraction form
    98,015,890.80/147,023,836.20 = 65,767,263.60/x
  3. Step 3: Cross multiply
    98,015,890.80x = 147,023,836.20 × 65,767,263.60
  4. Step 4: Simplify right side
    98,015,890.80x = 9,669,355,390,848,622
  5. Step 5: Solve for x
    x = 9,669,355,390,848,622/98,015,890.80
  6. Step 6: Final answer
    x = 98,650,895.40

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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.