Home / 117,977,019.90-176,842,740.66-66,085,546.02

Finding the Fourth Proportional to 117,977,019.90, 176,842,740.66 and 66,085,546.02

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Solution

The fourth proportional to 117,977,019.90, 176,842,740.66 and 66,085,546.02 is: 99,059,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,977,019.90 : 176,842,740.66 = 66,085,546.02 : x
  2. Step 2: Convert to fraction form
    117,977,019.90/176,842,740.66 = 66,085,546.02/x
  3. Step 3: Cross multiply
    117,977,019.90x = 176,842,740.66 × 66,085,546.02
  4. Step 4: Simplify right side
    117,977,019.90x = 11,686,749,076,189,356
  5. Step 5: Solve for x
    x = 11,686,749,076,189,356/117,977,019.90
  6. Step 6: Final answer
    x = 99,059,537.92

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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.