Home / 98,076,449.20-147,114,673.80-87,494,868.40

Finding the Fourth Proportional to 98,076,449.20, 147,114,673.80 and 87,494,868.40

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Solution

The fourth proportional to 98,076,449.20, 147,114,673.80 and 87,494,868.40 is: 131,242,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,076,449.20 : 147,114,673.80 = 87,494,868.40 : x
  2. Step 2: Convert to fraction form
    98,076,449.20/147,114,673.80 = 87,494,868.40/x
  3. Step 3: Cross multiply
    98,076,449.20x = 147,114,673.80 × 87,494,868.40
  4. Step 4: Simplify right side
    98,076,449.20x = 12,871,779,023,839,930
  5. Step 5: Solve for x
    x = 12,871,779,023,839,930/98,076,449.20
  6. Step 6: Final answer
    x = 131,242,302.60

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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.