Home / 98,415,687.40-147,623,531.10-40,949,200.60

Finding the Fourth Proportional to 98,415,687.40, 147,623,531.10 and 40,949,200.60

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Solution

The fourth proportional to 98,415,687.40, 147,623,531.10 and 40,949,200.60 is: 61,423,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,687.40 : 147,623,531.10 = 40,949,200.60 : x
  2. Step 2: Convert to fraction form
    98,415,687.40/147,623,531.10 = 40,949,200.60/x
  3. Step 3: Cross multiply
    98,415,687.40x = 147,623,531.10 × 40,949,200.60
  4. Step 4: Simplify right side
    98,415,687.40x = 6,045,065,588,294,239
  5. Step 5: Solve for x
    x = 6,045,065,588,294,239/98,415,687.40
  6. Step 6: Final answer
    x = 61,423,800.90

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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.