Home / 98,415,761.10-147,665,632.05-47,271,453.90

Finding the Fourth Proportional to 98,415,761.10, 147,665,632.05 and 47,271,453.90

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Solution

The fourth proportional to 98,415,761.10, 147,665,632.05 and 47,271,453.90 is: 70,927,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,761.10 : 147,665,632.05 = 47,271,453.90 : x
  2. Step 2: Convert to fraction form
    98,415,761.10/147,665,632.05 = 47,271,453.90/x
  3. Step 3: Cross multiply
    98,415,761.10x = 147,665,632.05 × 47,271,453.90
  4. Step 4: Simplify right side
    98,415,761.10x = 6,980,369,118,065,938
  5. Step 5: Solve for x
    x = 6,980,369,118,065,938/98,415,761.10
  6. Step 6: Final answer
    x = 70,927,349.85

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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.