Home / 98,295,611.40-147,255,410.70-52,842,299.40

Finding the Fourth Proportional to 98,295,611.40, 147,255,410.70 and 52,842,299.40

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Solution

The fourth proportional to 98,295,611.40, 147,255,410.70 and 52,842,299.40 is: 79,162,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,295,611.40 : 147,255,410.70 = 52,842,299.40 : x
  2. Step 2: Convert to fraction form
    98,295,611.40/147,255,410.70 = 52,842,299.40/x
  3. Step 3: Cross multiply
    98,295,611.40x = 147,255,410.70 × 52,842,299.40
  4. Step 4: Simplify right side
    98,295,611.40x = 7,781,314,500,479,363
  5. Step 5: Solve for x
    x = 7,781,314,500,479,363/98,295,611.40
  6. Step 6: Final answer
    x = 79,162,379.58

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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.