Home / 108,047,591.86-161,972,077.80-38,943,483.10

Finding the Fourth Proportional to 108,047,591.86, 161,972,077.80 and 38,943,483.10

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Solution

The fourth proportional to 108,047,591.86, 161,972,077.80 and 38,943,483.10 is: 58,379,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047,591.86 : 161,972,077.80 = 38,943,483.10 : x
  2. Step 2: Convert to fraction form
    108,047,591.86/161,972,077.80 = 38,943,483.10/x
  3. Step 3: Cross multiply
    108,047,591.86x = 161,972,077.80 × 38,943,483.10
  4. Step 4: Simplify right side
    108,047,591.86x = 6,307,756,874,476,186
  5. Step 5: Solve for x
    x = 6,307,756,874,476,186/108,047,591.86
  6. Step 6: Final answer
    x = 58,379,430.45

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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.