Home / 98,415,140.80-147,622,711.20-30,248,975.20

Finding the Fourth Proportional to 98,415,140.80, 147,622,711.20 and 30,248,975.20

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Solution

The fourth proportional to 98,415,140.80, 147,622,711.20 and 30,248,975.20 is: 45,373,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,140.80 : 147,622,711.20 = 30,248,975.20 : x
  2. Step 2: Convert to fraction form
    98,415,140.80/147,622,711.20 = 30,248,975.20/x
  3. Step 3: Cross multiply
    98,415,140.80x = 147,622,711.20 × 30,248,975.20
  4. Step 4: Simplify right side
    98,415,140.80x = 4,465,435,730,045,562
  5. Step 5: Solve for x
    x = 4,465,435,730,045,562/98,415,140.80
  6. Step 6: Final answer
    x = 45,373,462.80

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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.