Home / 79,259,801.10-118,889,701.65-57,648,741.90

Finding the Fourth Proportional to 79,259,801.10, 118,889,701.65 and 57,648,741.90

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Solution

The fourth proportional to 79,259,801.10, 118,889,701.65 and 57,648,741.90 is: 86,473,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,259,801.10 : 118,889,701.65 = 57,648,741.90 : x
  2. Step 2: Convert to fraction form
    79,259,801.10/118,889,701.65 = 57,648,741.90/x
  3. Step 3: Cross multiply
    79,259,801.10x = 118,889,701.65 × 57,648,741.90
  4. Step 4: Simplify right side
    79,259,801.10x = 6,853,841,724,988,854
  5. Step 5: Solve for x
    x = 6,853,841,724,988,854/79,259,801.10
  6. Step 6: Final answer
    x = 86,473,112.85

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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.