Home / 89,977,246.80-134,965,870.20-65,912,427.60

Finding the Fourth Proportional to 89,977,246.80, 134,965,870.20 and 65,912,427.60

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Solution

The fourth proportional to 89,977,246.80, 134,965,870.20 and 65,912,427.60 is: 98,868,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977,246.80 : 134,965,870.20 = 65,912,427.60 : x
  2. Step 2: Convert to fraction form
    89,977,246.80/134,965,870.20 = 65,912,427.60/x
  3. Step 3: Cross multiply
    89,977,246.80x = 134,965,870.20 × 65,912,427.60
  4. Step 4: Simplify right side
    89,977,246.80x = 8,895,928,148,028,497
  5. Step 5: Solve for x
    x = 8,895,928,148,028,497/89,977,246.80
  6. Step 6: Final answer
    x = 98,868,641.40

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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.